We're dividing 86163978 by 508 
We want to divide 86163978 by 508.

Advancing to step 1:
The number 508 fits into 8 0 times, leaving a remainder of 8.
Put 0 as the next digit of the answer. 
Result so far: 0.0
Subtract 0 from 8 to get 8.
Take the next digit (6) from the dividend and append it to 8, then repeat: 86 / 508

Let's proceed to step 2:
508 can be fit into 86 0 times, resulting in a remainder of 86.
Write down 0 as next digit of the result. 
Result so far: 0.0
Deduct 0 from 86 and we're left with 86.
Include the next digit (1) from the dividend after 86, then repeat: 861 / 508

Advancing to step 3:
508 can be fit into 861 1 times, resulting in a remainder of 353.
The number 1 becomes the next digit in our result. 
Result so far: 1.0
Deduct 508 from 861 and we're left with 353.
Append the next digit (6) from the dividend to 353 and continue with: 3536 / 508

Moving on to step 4:
The number 508 fits into 3536 6 times, leaving a remainder of 488.
Write down 6 as next digit of the result. 
Result so far: 16.0
If we take 3048 away from 3536, we end up with 488.
Include the next digit (3) from the dividend after 488, then repeat: 4883 / 508

Advancing to step 5:
If we divide 4883 by 508, we get 9 and a remainder of 311.
Use 9 as the next digit of our solution. 
Result so far: 169.0
If we subtract 4572 from 4883, we get 311.
Take the next digit (9) from the dividend and append it to 311, then repeat: 3119 / 508

Advancing to step 6:
When dividing 3119 by 508, we get 6 with a remainder of 71.
The next digit of our result is 6. 
Result so far: 1696.0
Deduct 3048 from 3119 and we're left with 71.
Fetch the next digit (7) from the dividend, attach it to 71 and continue: 717 / 508

Let's proceed to step 7:
717 divided by 508 is 1 with a remainder of 209.
The number 1 becomes the next digit in our result. 
Result so far: 16961.0
The remainder is 209 after subtracting 508 from 717.
Grab the next digit (8) from the dividend, add it to 209, then carry on: 2098 / 508

Let's proceed to step 8:
If we divide 2098 by 508, we get 4 and a remainder of 66.
The next digit of our result is 4. 
Result so far: 169614.0
If we subtract 2032 from 2098, 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.

Going ahead to step 9:
If we divide 660 by 508, we get 1 and a remainder of 152.
Write down 1 as next digit of the result. 
Result so far: 169614.1
The remainder is 152 after subtracting 508 from 660.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1520, and continue the process.

Going ahead to step 10:
If we divide 1520 by 508, we get 2 and a remainder of 504.
Write down 2 as next digit of the result. 
Result so far: 169614.12
Deduct 1016 from 1520 and we're left with 504.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5040, and continue the process.

Going ahead to step 11:
508 can be fit into 5040 9 times, resulting in a remainder of 468.
The number 9 becomes the next digit in our result. 
Result so far: 169614.129
If we subtract 4572 from 5040, we get 468.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4680, and continue the process.

Moving on to step 12:
The number 508 fits into 4680 9 times, leaving a remainder of 108.
Record the quotient 9 as the next digit in the result. 
Result so far: 169614.1299
If we take 4572 away from 4680, we end up with 108.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1080, and continue the process.

In conclusion, the division gives 169614.1299 with a balance of 0.00108.