79539183 divided by 861 
Our goal is to divide 79539183 by 861.

Let's proceed to step 1:
861 can be fit into 7 0 times, resulting in a remainder of 7.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
The remainder is 7 after subtracting 0 from 7.
Fetch the next digit (9) from the dividend, attach it to 7 and continue: 79 / 861

Going ahead to step 2:
The number 861 fits into 79 0 times, leaving a remainder of 79.
Write down 0 as next digit of the result. 
Result so far: 0.0
If we take 0 away from 79, we end up with 79.
Fetch the next digit (5) from the dividend, attach it to 79 and continue: 795 / 861

Let's proceed to step 3:
795 divided by 861 is 0 with a remainder of 795.
Use 0 as the next digit of our solution. 
Result so far: 0.0
Subtract 0 from 795 to get 795.
Fetch the next digit (3) from the dividend, attach it to 795 and continue: 7953 / 861

Going ahead to step 4:
When dividing 7953 by 861, we get 9 with a remainder of 204.
Put 9 as the next digit of the answer. 
Result so far: 9.0
Subtract 7749 from 7953 to get 204.
Take the next digit (9) from the dividend and append it to 204, then repeat: 2049 / 861

Step 5:
If we divide 2049 by 861, we get 2 and a remainder of 327.
The number 2 becomes the next digit in our result. 
Result so far: 92.0
If we take 1722 away from 2049, we end up with 327.
Take the next digit (1) from the dividend and append it to 327, then repeat: 3271 / 861

Moving on to step 6:
The number 861 fits into 3271 3 times, leaving a remainder of 688.
Record the quotient 3 as the next digit in the result. 
Result so far: 923.0
Deduct 2583 from 3271 and we're left with 688.
Bring next digit (8) of the dividend behind the 688 and repeat the process: 6888 / 861

Going ahead to step 7:
6888 divided by 861 is 8 with a remainder of 0.
The next digit of our result is 8. 
Result so far: 9238.0
If we subtract 6888 from 6888, we get 0.
Fetch the next digit (3) from the dividend, attach it to 0 and continue: 3 / 861

Let's proceed to step 8:
The number 861 fits into 3 0 times, leaving a remainder of 3.
Write down 0 as next digit of the result. 
Result so far: 92380.0
If we subtract 0 from 3, we get 3.
Since there are no more digits in the dividend, we add a zero to the remainder making it 30, and continue the process.

Step 9:
When dividing 30 by 861, we get 0 with a remainder of 30.
Use 0 as the next digit of our solution. 
Result so far: 92380.0
Subtract 0 from 30 to get 30.
Since there are no more digits in the dividend, we add a zero to the remainder making it 300, and continue the process.

On to step 10:
If we divide 300 by 861, we get 0 and a remainder of 300.
Record the quotient 0 as the next digit in the result. 
Result so far: 92380.0
If we take 0 away from 300, we end up with 300.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3000, and continue the process.

Our division results in 92380.0 with a remaining 0.3.