We're dividing 523461 by 21 
We're looking to find how many times 21 goes into 523461.

Moving on to step 1:
5 divided by 21 is 0 with a remainder of 5.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
If we subtract 0 from 5, we get 5.
Take the next digit (2) from the dividend and append it to 5, then repeat: 52 / 21

Going ahead to step 2:
If we divide 52 by 21, we get 2 and a remainder of 10.
Record the quotient 2 as the next digit in the result. 
Result so far: 2.0
If we take 42 away from 52, we end up with 10.
Bring next digit (3) of the dividend behind the 10 and repeat the process: 103 / 21

Let's proceed to step 3:
When dividing 103 by 21, we get 4 with a remainder of 19.
The number 4 becomes the next digit in our result. 
Result so far: 24.0
The remainder is 19 after subtracting 84 from 103.
Append the next digit (4) from the dividend to 19 and continue with: 194 / 21

Moving on to step 4:
If we divide 194 by 21, we get 9 and a remainder of 5.
The next digit of our result is 9. 
Result so far: 249.0
Subtract 189 from 194 to get 5.
Append the next digit (6) from the dividend to 5 and continue with: 56 / 21

Step 5:
The number 21 fits into 56 2 times, leaving a remainder of 14.
Put 2 as the next digit of the answer. 
Result so far: 2492.0
If we subtract 42 from 56, we get 14.
Include the next digit (1) from the dividend after 14, then repeat: 141 / 21

Advancing to step 6:
The number 21 fits into 141 6 times, leaving a remainder of 15.
Put 6 as the next digit of the answer. 
Result so far: 24926.0
Deduct 126 from 141 and we're left with 15.
Since there are no more digits in the dividend, we add a zero to the remainder making it 150, and continue the process.

Step 7:
21 goes into 150 7 times with a remainder of 3.
Use 7 as the next digit of our solution. 
Result so far: 24926.7
Subtract 147 from 150 to 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.

On to step 8:
30 divided by 21 is 1 with a remainder of 9.
Write down 1 as next digit of the result. 
Result so far: 24926.71
Subtract 21 from 30 to get 9.
Since there are no more digits in the dividend, we add a zero to the remainder making it 90, and continue the process.

Moving on to step 9:
The number 21 fits into 90 4 times, leaving a remainder of 6.
The number 4 becomes the next digit in our result. 
Result so far: 24926.714
The remainder is 6 after subtracting 84 from 90.
Since there are no more digits in the dividend, we add a zero to the remainder making it 60, and continue the process.

On to step 10:
The number 21 fits into 60 2 times, leaving a remainder of 18.
Write down 2 as next digit of the result. 
Result so far: 24926.7142
Subtract 42 from 60 to get 18.
Since there are no more digits in the dividend, we add a zero to the remainder making it 180, and continue the process.

Let's proceed to step 11:
21 goes into 180 8 times with a remainder of 12.
The next digit of our result is 8. 
Result so far: 24926.71428
Deduct 168 from 180 and we're left with 12.
Since there are no more digits in the dividend, we add a zero to the remainder making it 120, and continue the process.

Moving on to step 12:
120 divided by 21 is 5 with a remainder of 15.
Put 5 as the next digit of the answer. 
Result so far: 24926.714285
Deduct 105 from 120 and we're left with 15.
Since there are no more digits in the dividend, we add a zero to the remainder making it 150, and continue the process.

Let's proceed to step 13:
21 goes into 150 7 times with a remainder of 3.
The next digit of our result is 7. 
Result so far: 24926.7142857
Subtract 147 from 150 to 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.

Advancing to step 14:
21 can be fit into 30 1 times, resulting in a remainder of 9.
The next digit of our result is 1. 
Result so far: 24926.71428571
If we subtract 21 from 30, we get 9.
Since there are no more digits in the dividend, we add a zero to the remainder making it 90, and continue the process.

Our division results in 24926.71428571 with a remaining 9e-09.