85217207 ÷ 915 
Let's see how many times 915 fits into 85217207.

Going ahead to step 1:
8 divided by 915 is 0 with a remainder of 8.
Write down 0 as next digit of the result. 
Result so far: 0.0
If we take 0 away from 8, we end up with 8.
Bring next digit (5) of the dividend behind the 8 and repeat the process: 85 / 915

Let's proceed to step 2:
85 divided by 915 is 0 with a remainder of 85.
Write down 0 as next digit of the result. 
Result so far: 0.0
Subtract 0 from 85 to get 85.
Fetch the next digit (2) from the dividend, attach it to 85 and continue: 852 / 915

Going ahead to step 3:
915 goes into 852 0 times with a remainder of 852.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
If we subtract 0 from 852, we get 852.
Fetch the next digit (1) from the dividend, attach it to 852 and continue: 8521 / 915

Step 4:
8521 divided by 915 is 9 with a remainder of 286.
Use 9 as the next digit of our solution. 
Result so far: 9.0
The remainder is 286 after subtracting 8235 from 8521.
Include the next digit (7) from the dividend after 286, then repeat: 2867 / 915

Let's proceed to step 5:
2867 divided by 915 is 3 with a remainder of 122.
Put 3 as the next digit of the answer. 
Result so far: 93.0
Deduct 2745 from 2867 and we're left with 122.
Take the next digit (2) from the dividend and append it to 122, then repeat: 1222 / 915

Advancing to step 6:
915 can be fit into 1222 1 times, resulting in a remainder of 307.
Write down 1 as next digit of the result. 
Result so far: 931.0
The remainder is 307 after subtracting 915 from 1222.
Include the next digit (0) from the dividend after 307, then repeat: 3070 / 915

Advancing to step 7:
915 goes into 3070 3 times with a remainder of 325.
Use 3 as the next digit of our solution. 
Result so far: 9313.0
Subtracting 2745 from 3070 leaves us with 325.
Bring next digit (7) of the dividend behind the 325 and repeat the process: 3257 / 915

Going ahead to step 8:
3257 divided by 915 is 3 with a remainder of 512.
Use 3 as the next digit of our solution. 
Result so far: 93133.0
If we take 2745 away from 3257, we end up with 512.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5120, and continue the process.

Going ahead to step 9:
When dividing 5120 by 915, we get 5 with a remainder of 545.
Put 5 as the next digit of the answer. 
Result so far: 93133.5
Subtracting 4575 from 5120 leaves us with 545.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5450, and continue the process.

Advancing to step 10:
915 goes into 5450 5 times with a remainder of 875.
The next digit of our result is 5. 
Result so far: 93133.55
If we subtract 4575 from 5450, we get 875.
Since there are no more digits in the dividend, we add a zero to the remainder making it 8750, and continue the process.

After the division, we end up with 93133.55 and a remainder of 0.875.