Let's divide 78174117 by 603
We're looking to find how many times 603 goes into 78174117.

Advancing to step 1:
The number 603 fits into 7 0 times, leaving a remainder of 7.
Use 0 as the next digit of our solution. 
Result so far: 0.0
Subtract 0 from 7 to get 7.
Bring next digit (8) of the dividend behind the 7 and repeat the process: 78 / 603

Going ahead to step 2:
When dividing 78 by 603, we get 0 with a remainder of 78.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
If we take 0 away from 78, we end up with 78.
Bring next digit (1) of the dividend behind the 78 and repeat the process: 781 / 603

Advancing to step 3:
The number 603 fits into 781 1 times, leaving a remainder of 178.
Use 1 as the next digit of our solution. 
Result so far: 1.0
If we take 603 away from 781, we end up with 178.
Append the next digit (7) from the dividend to 178 and continue with: 1787 / 603

Let's proceed to step 4:
603 can be fit into 1787 2 times, resulting in a remainder of 581.
Record the quotient 2 as the next digit in the result. 
Result so far: 12.0
The remainder is 581 after subtracting 1206 from 1787.
Bring next digit (4) of the dividend behind the 581 and repeat the process: 5814 / 603

Going ahead to step 5:
The number 603 fits into 5814 9 times, leaving a remainder of 387.
Record the quotient 9 as the next digit in the result. 
Result so far: 129.0
The remainder is 387 after subtracting 5427 from 5814.
Take the next digit (1) from the dividend and append it to 387, then repeat: 3871 / 603

On to step 6:
If we divide 3871 by 603, we get 6 and a remainder of 253.
The next digit of our result is 6. 
Result so far: 1296.0
Subtract 3618 from 3871 to get 253.
Include the next digit (1) from the dividend after 253, then repeat: 2531 / 603

Going ahead to step 7:
The number 603 fits into 2531 4 times, leaving a remainder of 119.
The number 4 becomes the next digit in our result. 
Result so far: 12964.0
Subtracting 2412 from 2531 leaves us with 119.
Fetch the next digit (7) from the dividend, attach it to 119 and continue: 1197 / 603

Going ahead to step 8:
1197 divided by 603 is 1 with a remainder of 594.
Put 1 as the next digit of the answer. 
Result so far: 129641.0
If we subtract 603 from 1197, we get 594.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5940, and continue the process.

Step 9:
603 can be fit into 5940 9 times, resulting in a remainder of 513.
Put 9 as the next digit of the answer. 
Result so far: 129641.9
If we subtract 5427 from 5940, we get 513.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5130, and continue the process.

Advancing to step 10:
The number 603 fits into 5130 8 times, leaving a remainder of 306.
Use 8 as the next digit of our solution. 
Result so far: 129641.98
Subtract 4824 from 5130 to get 306.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3060, and continue the process.

Moving on to step 11:
3060 divided by 603 is 5 with a remainder of 45.
The number 5 becomes the next digit in our result. 
Result so far: 129641.985
If we take 3015 away from 3060, we end up with 45.
Since there are no more digits in the dividend, we add a zero to the remainder making it 450, and continue the process.

Moving on to step 12:
If we divide 450 by 603, we get 0 and a remainder of 450.
Put 0 as the next digit of the answer. 
Result so far: 129641.985
Subtract 0 from 450 to get 450.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4500, and continue the process.

Let's proceed to step 13:
The number 603 fits into 4500 7 times, leaving a remainder of 279.
Put 7 as the next digit of the answer. 
Result so far: 129641.98507
Subtracting 4221 from 4500 leaves us with 279.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2790, and continue the process.

Moving on to step 14:
603 can be fit into 2790 4 times, resulting in a remainder of 378.
Use 4 as the next digit of our solution. 
Result so far: 129641.985074
Subtracting 2412 from 2790 leaves us with 378.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3780, and continue the process.

Advancing to step 15:
3780 divided by 603 is 6 with a remainder of 162.
Record the quotient 6 as the next digit in the result. 
Result so far: 129641.9850746
Deduct 3618 from 3780 and we're left with 162.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1620, and continue the process.

Let's proceed to step 16:
603 can be fit into 1620 2 times, resulting in a remainder of 414.
The number 2 becomes the next digit in our result. 
Result so far: 129641.98507462
If we subtract 1206 from 1620, we get 414.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4140, and continue the process.

The final result is 129641.98507462 with a remainder of 4.14e-07.