86172195 divided by 859 
Our goal is to divide 86172195 by 859.

Moving on to step 1:
When dividing 8 by 859, we get 0 with a remainder of 8.
Write down 0 as next digit of the result. 
Result so far: 0.0
If we subtract 0 from 8, we get 8.
Append the next digit (6) from the dividend to 8 and continue with: 86 / 859

On to step 2:
859 can be fit into 86 0 times, resulting in a remainder of 86.
Put 0 as the next digit of the answer. 
Result so far: 0.0
If we subtract 0 from 86, we get 86.
Include the next digit (1) from the dividend after 86, then repeat: 861 / 859

Moving on to step 3:
859 goes into 861 1 times with a remainder of 2.
The number 1 becomes the next digit in our result. 
Result so far: 1.0
Deduct 859 from 861 and we're left with 2.
Include the next digit (7) from the dividend after 2, then repeat: 27 / 859

Going ahead to step 4:
27 divided by 859 is 0 with a remainder of 27.
Use 0 as the next digit of our solution. 
Result so far: 10.0
If we subtract 0 from 27, we get 27.
Fetch the next digit (2) from the dividend, attach it to 27 and continue: 272 / 859

Going ahead to step 5:
859 goes into 272 0 times with a remainder of 272.
Write down 0 as next digit of the result. 
Result so far: 100.0
Deduct 0 from 272 and we're left with 272.
Append the next digit (1) from the dividend to 272 and continue with: 2721 / 859

On to step 6:
859 can be fit into 2721 3 times, resulting in a remainder of 144.
Use 3 as the next digit of our solution. 
Result so far: 1003.0
Subtract 2577 from 2721 to get 144.
Bring next digit (9) of the dividend behind the 144 and repeat the process: 1449 / 859

Let's proceed to step 7:
If we divide 1449 by 859, we get 1 and a remainder of 590.
Put 1 as the next digit of the answer. 
Result so far: 10031.0
Subtracting 859 from 1449 leaves us with 590.
Fetch the next digit (5) from the dividend, attach it to 590 and continue: 5905 / 859

Let's proceed to step 8:
859 can be fit into 5905 6 times, resulting in a remainder of 751.
The number 6 becomes the next digit in our result. 
Result so far: 100316.0
Subtracting 5154 from 5905 leaves us with 751.
Since there are no more digits in the dividend, we add a zero to the remainder making it 7510, and continue the process.

Moving on to step 9:
859 can be fit into 7510 8 times, resulting in a remainder of 638.
Record the quotient 8 as the next digit in the result. 
Result so far: 100316.8
If we take 6872 away from 7510, we end up with 638.
Since there are no more digits in the dividend, we add a zero to the remainder making it 6380, and continue the process.

Advancing to step 10:
If we divide 6380 by 859, we get 7 and a remainder of 367.
The next digit of our result is 7. 
Result so far: 100316.87
If we take 6013 away from 6380, we end up with 367.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3670, and continue the process.

Going ahead to step 11:
859 goes into 3670 4 times with a remainder of 234.
Use 4 as the next digit of our solution. 
Result so far: 100316.874
Subtract 3436 from 3670 to get 234.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2340, and continue the process.

On to step 12:
859 can be fit into 2340 2 times, resulting in a remainder of 622.
Record the quotient 2 as the next digit in the result. 
Result so far: 100316.8742
Subtract 1718 from 2340 to get 622.
Since there are no more digits in the dividend, we add a zero to the remainder making it 6220, and continue the process.

On to step 13:
The number 859 fits into 6220 7 times, leaving a remainder of 207.
The number 7 becomes the next digit in our result. 
Result so far: 100316.87427
If we take 6013 away from 6220, we end up with 207.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2070, and continue the process.

On to step 14:
When dividing 2070 by 859, we get 2 with a remainder of 352.
Put 2 as the next digit of the answer. 
Result so far: 100316.874272
The remainder is 352 after subtracting 1718 from 2070.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3520, and continue the process.

On to step 15:
If we divide 3520 by 859, we get 4 and a remainder of 84.
Record the quotient 4 as the next digit in the result. 
Result so far: 100316.8742724
Subtract 3436 from 3520 to get 84.
Since there are no more digits in the dividend, we add a zero to the remainder making it 840, and continue the process.

Going ahead to step 16:
840 divided by 859 is 0 with a remainder of 840.
Use 0 as the next digit of our solution. 
Result so far: 100316.8742724
Subtract 0 from 840 to get 840.
Since there are no more digits in the dividend, we add a zero to the remainder making it 8400, and continue the process.

In conclusion, the division gives 100316.8742724 with a balance of 8.4e-07.