We look at the division of 621185 by 86 
Let's see how many times 86 fits into 621185.

On to step 1:
If we divide 6 by 86, we get 0 and a remainder of 6.
Put 0 as the next digit of the answer. 
Result so far: 0.0
Subtracting 0 from 6 leaves us with 6.
Append the next digit (2) from the dividend to 6 and continue with: 62 / 86

Going ahead to step 2:
86 goes into 62 0 times with a remainder of 62.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
Deduct 0 from 62 and we're left with 62.
Append the next digit (1) from the dividend to 62 and continue with: 621 / 86

Advancing to step 3:
86 can be fit into 621 7 times, resulting in a remainder of 19.
Write down 7 as next digit of the result. 
Result so far: 7.0
Subtract 602 from 621 to get 19.
Append the next digit (1) from the dividend to 19 and continue with: 191 / 86

Step 4:
86 goes into 191 2 times with a remainder of 19.
Put 2 as the next digit of the answer. 
Result so far: 72.0
The remainder is 19 after subtracting 172 from 191.
Bring next digit (8) of the dividend behind the 19 and repeat the process: 198 / 86

On to step 5:
198 divided by 86 is 2 with a remainder of 26.
Put 2 as the next digit of the answer. 
Result so far: 722.0
If we take 172 away from 198, we end up with 26.
Bring next digit (5) of the dividend behind the 26 and repeat the process: 265 / 86

Going ahead to step 6:
When dividing 265 by 86, we get 3 with a remainder of 7.
The number 3 becomes the next digit in our result. 
Result so far: 7223.0
The remainder is 7 after subtracting 258 from 265.
Since there are no more digits in the dividend, we add a zero to the remainder making it 70, and continue the process.

Let's proceed to step 7:
The number 86 fits into 70 0 times, leaving a remainder of 70.
Write down 0 as next digit of the result. 
Result so far: 7223.0
The remainder is 70 after subtracting 0 from 70.
Since there are no more digits in the dividend, we add a zero to the remainder making it 700, and continue the process.

Step 8:
When dividing 700 by 86, we get 8 with a remainder of 12.
The number 8 becomes the next digit in our result. 
Result so far: 7223.08
The remainder is 12 after subtracting 688 from 700.
Since there are no more digits in the dividend, we add a zero to the remainder making it 120, and continue the process.

Step 9:
86 can be fit into 120 1 times, resulting in a remainder of 34.
The next digit of our result is 1. 
Result so far: 7223.081
Subtracting 86 from 120 leaves us with 34.
Since there are no more digits in the dividend, we add a zero to the remainder making it 340, and continue the process.

Let's proceed to step 10:
The number 86 fits into 340 3 times, leaving a remainder of 82.
Put 3 as the next digit of the answer. 
Result so far: 7223.0813
The remainder is 82 after subtracting 258 from 340.
Since there are no more digits in the dividend, we add a zero to the remainder making it 820, and continue the process.

Let's proceed to step 11:
If we divide 820 by 86, we get 9 and a remainder of 46.
The number 9 becomes the next digit in our result. 
Result so far: 7223.08139
Deduct 774 from 820 and we're left with 46.
Since there are no more digits in the dividend, we add a zero to the remainder making it 460, and continue the process.

Step 12:
86 can be fit into 460 5 times, resulting in a remainder of 30.
Record the quotient 5 as the next digit in the result. 
Result so far: 7223.081395
If we take 430 away from 460, we end up with 30.
Since there are no more digits in the dividend, we add a zero to the remainder making it 300, and continue the process.

Moving on to step 13:
When dividing 300 by 86, we get 3 with a remainder of 42.
The next digit of our result is 3. 
Result so far: 7223.0813953
If we take 258 away from 300, we end up with 42.
Since there are no more digits in the dividend, we add a zero to the remainder making it 420, and continue the process.

Going ahead to step 14:
If we divide 420 by 86, we get 4 and a remainder of 76.
The number 4 becomes the next digit in our result. 
Result so far: 7223.08139534
If we subtract 344 from 420, we get 76.
Since there are no more digits in the dividend, we add a zero to the remainder making it 760, and continue the process.

In conclusion, the division gives 7223.08139534 with a balance of 7.6e-08.