We look at the division of 21305739 by 225 
We want to figure out the number of times 21305739 can be divided by 225.

Step 1:
The number 225 fits into 2 0 times, leaving a remainder of 2.
Use 0 as the next digit of our solution. 
Result so far: 0.0
Subtract 0 from 2 to get 2.
Take the next digit (1) from the dividend and append it to 2, then repeat: 21 / 225

On to step 2:
The number 225 fits into 21 0 times, leaving a remainder of 21.
Write down 0 as next digit of the result. 
Result so far: 0.0
Subtracting 0 from 21 leaves us with 21.
Include the next digit (3) from the dividend after 21, then repeat: 213 / 225

Going ahead to step 3:
225 goes into 213 0 times with a remainder of 213.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
The remainder is 213 after subtracting 0 from 213.
Include the next digit (0) from the dividend after 213, then repeat: 2130 / 225

Moving on to step 4:
The number 225 fits into 2130 9 times, leaving a remainder of 105.
The number 9 becomes the next digit in our result. 
Result so far: 9.0
Subtracting 2025 from 2130 leaves us with 105.
Fetch the next digit (5) from the dividend, attach it to 105 and continue: 1055 / 225

Advancing to step 5:
The number 225 fits into 1055 4 times, leaving a remainder of 155.
Record the quotient 4 as the next digit in the result. 
Result so far: 94.0
If we take 900 away from 1055, we end up with 155.
Take the next digit (7) from the dividend and append it to 155, then repeat: 1557 / 225

Advancing to step 6:
If we divide 1557 by 225, we get 6 and a remainder of 207.
Put 6 as the next digit of the answer. 
Result so far: 946.0
Subtracting 1350 from 1557 leaves us with 207.
Grab the next digit (3) from the dividend, add it to 207, then carry on: 2073 / 225

Step 7:
When dividing 2073 by 225, we get 9 with a remainder of 48.
The number 9 becomes the next digit in our result. 
Result so far: 9469.0
If we subtract 2025 from 2073, we get 48.
Grab the next digit (9) from the dividend, add it to 48, then carry on: 489 / 225

Going ahead to step 8:
225 can be fit into 489 2 times, resulting in a remainder of 39.
Write down 2 as next digit of the result. 
Result so far: 94692.0
If we take 450 away from 489, we end up with 39.
Since there are no more digits in the dividend, we add a zero to the remainder making it 390, and continue the process.

Step 9:
When dividing 390 by 225, we get 1 with a remainder of 165.
Write down 1 as next digit of the result. 
Result so far: 94692.1
Subtracting 225 from 390 leaves us with 165.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1650, and continue the process.

On to step 10:
1650 divided by 225 is 7 with a remainder of 75.
The number 7 becomes the next digit in our result. 
Result so far: 94692.17
Subtract 1575 from 1650 to get 75.
Since there are no more digits in the dividend, we add a zero to the remainder making it 750, and continue the process.

Advancing to step 11:
225 can be fit into 750 3 times, resulting in a remainder of 75.
Record the quotient 3 as the next digit in the result. 
Result so far: 94692.173
If we take 675 away from 750, we end up with 75.
Since there are no more digits in the dividend, we add a zero to the remainder making it 750, and continue the process.

Let's proceed to step 12:
225 goes into 750 3 times with a remainder of 75.
Write down 3 as next digit of the result. 
Result so far: 94692.1733
If we take 675 away from 750, we end up with 75.
Since there are no more digits in the dividend, we add a zero to the remainder making it 750, and continue the process.

In conclusion, the division gives 94692.1733 with a balance of 0.00075.