We look at the division of 78395982 by 507 
We want to divide 78395982 by 507.

Step 1:
When dividing 7 by 507, we get 0 with a remainder of 7.
The next digit of our result is 0. 
Result so far: 0.0
If we take 0 away from 7, we end up with 7.
Append the next digit (8) from the dividend to 7 and continue with: 78 / 507

Advancing to step 2:
78 divided by 507 is 0 with a remainder of 78.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
The remainder is 78 after subtracting 0 from 78.
Take the next digit (3) from the dividend and append it to 78, then repeat: 783 / 507

Moving on to step 3:
507 goes into 783 1 times with a remainder of 276.
Record the quotient 1 as the next digit in the result. 
Result so far: 1.0
If we take 507 away from 783, we end up with 276.
Grab the next digit (9) from the dividend, add it to 276, then carry on: 2769 / 507

Moving on to step 4:
The number 507 fits into 2769 5 times, leaving a remainder of 234.
The number 5 becomes the next digit in our result. 
Result so far: 15.0
Subtracting 2535 from 2769 leaves us with 234.
Bring next digit (5) of the dividend behind the 234 and repeat the process: 2345 / 507

Advancing to step 5:
The number 507 fits into 2345 4 times, leaving a remainder of 317.
Record the quotient 4 as the next digit in the result. 
Result so far: 154.0
Deduct 2028 from 2345 and we're left with 317.
Take the next digit (9) from the dividend and append it to 317, then repeat: 3179 / 507

On to step 6:
3179 divided by 507 is 6 with a remainder of 137.
Use 6 as the next digit of our solution. 
Result so far: 1546.0
Subtract 3042 from 3179 to get 137.
Fetch the next digit (8) from the dividend, attach it to 137 and continue: 1378 / 507

Advancing to step 7:
If we divide 1378 by 507, we get 2 and a remainder of 364.
Put 2 as the next digit of the answer. 
Result so far: 15462.0
Subtracting 1014 from 1378 leaves us with 364.
Fetch the next digit (2) from the dividend, attach it to 364 and continue: 3642 / 507

Going ahead to step 8:
The number 507 fits into 3642 7 times, leaving a remainder of 93.
The number 7 becomes the next digit in our result. 
Result so far: 154627.0
Deduct 3549 from 3642 and we're left with 93.
Since there are no more digits in the dividend, we add a zero to the remainder making it 930, and continue the process.

Let's proceed to step 9:
When dividing 930 by 507, we get 1 with a remainder of 423.
Record the quotient 1 as the next digit in the result. 
Result so far: 154627.1
Deduct 507 from 930 and we're left with 423.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4230, and continue the process.

Let's proceed to step 10:
4230 divided by 507 is 8 with a remainder of 174.
The number 8 becomes the next digit in our result. 
Result so far: 154627.18
If we take 4056 away from 4230, we end up with 174.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1740, and continue the process.

Moving on to step 11:
If we divide 1740 by 507, we get 3 and a remainder of 219.
Write down 3 as next digit of the result. 
Result so far: 154627.183
Deduct 1521 from 1740 and we're left with 219.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2190, and continue the process.

Going ahead to step 12:
2190 divided by 507 is 4 with a remainder of 162.
Put 4 as the next digit of the answer. 
Result so far: 154627.1834
Subtracting 2028 from 2190 leaves us 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.

Advancing to step 13:
The number 507 fits into 1620 3 times, leaving a remainder of 99.
Put 3 as the next digit of the answer. 
Result so far: 154627.18343
The remainder is 99 after subtracting 1521 from 1620.
Since there are no more digits in the dividend, we add a zero to the remainder making it 990, and continue the process.

Let's proceed to step 14:
507 goes into 990 1 times with a remainder of 483.
The next digit of our result is 1. 
Result so far: 154627.183431
Deduct 507 from 990 and we're left with 483.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4830, and continue the process.

Moving on to step 15:
4830 divided by 507 is 9 with a remainder of 267.
Write down 9 as next digit of the result. 
Result so far: 154627.1834319
Subtract 4563 from 4830 to get 267.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2670, and continue the process.

Advancing to step 16:
The number 507 fits into 2670 5 times, leaving a remainder of 135.
Use 5 as the next digit of our solution. 
Result so far: 154627.18343195
The remainder is 135 after subtracting 2535 from 2670.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1350, and continue the process.

Our division results in 154627.18343195 with a remaining 1.35e-07.