921621 ÷ 25 
Our goal is to divide 921621 by 25.

Going ahead to step 1:
25 can be fit into 9 0 times, resulting in a remainder of 9.
Use 0 as the next digit of our solution. 
Result so far: 0.0
Deduct 0 from 9 and we're left with 9.
Take the next digit (2) from the dividend and append it to 9, then repeat: 92 / 25

Moving on to step 2:
When dividing 92 by 25, we get 3 with a remainder of 17.
The next digit of our result is 3. 
Result so far: 3.0
If we subtract 75 from 92, we get 17.
Append the next digit (1) from the dividend to 17 and continue with: 171 / 25

Let's proceed to step 3:
25 goes into 171 6 times with a remainder of 21.
Record the quotient 6 as the next digit in the result. 
Result so far: 36.0
If we subtract 150 from 171, we get 21.
Take the next digit (6) from the dividend and append it to 21, then repeat: 216 / 25

Step 4:
When dividing 216 by 25, we get 8 with a remainder of 16.
Record the quotient 8 as the next digit in the result. 
Result so far: 368.0
Subtract 200 from 216 to get 16.
Include the next digit (2) from the dividend after 16, then repeat: 162 / 25

Let's proceed to step 5:
25 can be fit into 162 6 times, resulting in a remainder of 12.
Record the quotient 6 as the next digit in the result. 
Result so far: 3686.0
Subtract 150 from 162 to get 12.
Fetch the next digit (1) from the dividend, attach it to 12 and continue: 121 / 25

On to step 6:
25 goes into 121 4 times with a remainder of 21.
Put 4 as the next digit of the answer. 
Result so far: 36864.0
Subtracting 100 from 121 leaves us with 21.
Since there are no more digits in the dividend, we add a zero to the remainder making it 210, and continue the process.

Step 7:
25 can be fit into 210 8 times, resulting in a remainder of 10.
Put 8 as the next digit of the answer. 
Result so far: 36864.8
Subtracting 200 from 210 leaves us with 10.
Since there are no more digits in the dividend, we add a zero to the remainder making it 100, and continue the process.

Going ahead to step 8:
The number 25 fits into 100 4 times, leaving a remainder of 0.
Write down 4 as next digit of the result. 
Result so far: 36864.84
Subtracting 100 from 100 leaves us with 0.
Since there are no more digits in the dividend, we add a zero to the remainder making it 0, and continue the process.

Advancing to step 9:
25 can be fit into 0 0 times, resulting in a remainder of 0.
Use 0 as the next digit of our solution. 
Result so far: 36864.84
If we subtract 0 from 0, we get 0.
Since there are no more digits in the dividend, we add a zero to the remainder making it 0, and continue the process.

Advancing to step 10:
When dividing 0 by 25, we get 0 with a remainder of 0.
Record the quotient 0 as the next digit in the result. 
Result so far: 36864.84
If we subtract 0 from 0, we get 0.
Since there are no more digits in the dividend, we add a zero to the remainder making it 0, and continue the process.

The final result is 36864.84 with a remainder of 0.0.