600090 divided by 78 
Let's see how many times 78 fits into 600090.

Let's proceed to step 1:
78 goes into 6 0 times with a remainder of 6.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
Subtracting 0 from 6 leaves us with 6.
Append the next digit (0) from the dividend to 6 and continue with: 60 / 78

Let's proceed to step 2:
The number 78 fits into 60 0 times, leaving a remainder of 60.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
If we take 0 away from 60, we end up with 60.
Include the next digit (0) from the dividend after 60, then repeat: 600 / 78

On to step 3:
78 goes into 600 7 times with a remainder of 54.
The number 7 becomes the next digit in our result. 
Result so far: 7.0
Subtracting 546 from 600 leaves us with 54.
Append the next digit (0) from the dividend to 54 and continue with: 540 / 78

Let's proceed to step 4:
78 goes into 540 6 times with a remainder of 72.
Use 6 as the next digit of our solution. 
Result so far: 76.0
Deduct 468 from 540 and we're left with 72.
Append the next digit (9) from the dividend to 72 and continue with: 729 / 78

Let's proceed to step 5:
78 goes into 729 9 times with a remainder of 27.
Write down 9 as next digit of the result. 
Result so far: 769.0
If we subtract 702 from 729, we get 27.
Bring next digit (0) of the dividend behind the 27 and repeat the process: 270 / 78

Advancing to step 6:
78 goes into 270 3 times with a remainder of 36.
Write down 3 as next digit of the result. 
Result so far: 7693.0
The remainder is 36 after subtracting 234 from 270.
Since there are no more digits in the dividend, we add a zero to the remainder making it 360, and continue the process.

Going ahead to step 7:
78 can be fit into 360 4 times, resulting in a remainder of 48.
Write down 4 as next digit of the result. 
Result so far: 7693.4
If we take 312 away from 360, we end up with 48.
Since there are no more digits in the dividend, we add a zero to the remainder making it 480, and continue the process.

Let's proceed to step 8:
480 divided by 78 is 6 with a remainder of 12.
Write down 6 as next digit of the result. 
Result so far: 7693.46
If we take 468 away from 480, we end up with 12.
Since there are no more digits in the dividend, we add a zero to the remainder making it 120, and continue the process.

Going ahead to step 9:
When dividing 120 by 78, we get 1 with a remainder of 42.
Write down 1 as next digit of the result. 
Result so far: 7693.461
Deduct 78 from 120 and we're left with 42.
Since there are no more digits in the dividend, we add a zero to the remainder making it 420, and continue the process.

Moving on to step 10:
420 divided by 78 is 5 with a remainder of 30.
The number 5 becomes the next digit in our result. 
Result so far: 7693.4615
If we take 390 away from 420, we end up with 30.
Since there are no more digits in the dividend, we add a zero to the remainder making it 300, and continue the process.

Going ahead to step 11:
78 goes into 300 3 times with a remainder of 66.
Use 3 as the next digit of our solution. 
Result so far: 7693.46153
If we subtract 234 from 300, we get 66.
Since there are no more digits in the dividend, we add a zero to the remainder making it 660, and continue the process.

Let's proceed to step 12:
The number 78 fits into 660 8 times, leaving a remainder of 36.
Use 8 as the next digit of our solution. 
Result so far: 7693.461538
If we subtract 624 from 660, we get 36.
Since there are no more digits in the dividend, we add a zero to the remainder making it 360, and continue the process.

Let's proceed to step 13:
The number 78 fits into 360 4 times, leaving a remainder of 48.
The next digit of our result is 4. 
Result so far: 7693.4615384
If we take 312 away from 360, we end up with 48.
Since there are no more digits in the dividend, we add a zero to the remainder making it 480, and continue the process.

Going ahead to step 14:
78 can be fit into 480 6 times, resulting in a remainder of 12.
Use 6 as the next digit of our solution. 
Result so far: 7693.46153846
The remainder is 12 after subtracting 468 from 480.
Since there are no more digits in the dividend, we add a zero to the remainder making it 120, and continue the process.

The final result is 7693.46153846 with a remainder of 1.2e-08.