We're dividing 21488325 by 3 
We're looking to find how many times 3 goes into 21488325.

On to step 1:
The number 3 fits into 2 0 times, leaving a remainder of 2.
The next digit of our result is 0. 
Result so far: 0.0
If we take 0 away from 2, we end up with 2.
Bring next digit (1) of the dividend behind the 2 and repeat the process: 21 / 3

Going ahead to step 2:
The number 3 fits into 21 7 times, leaving a remainder of 0.
Use 7 as the next digit of our solution. 
Result so far: 7.0
The remainder is 0 after subtracting 21 from 21.
Include the next digit (4) from the dividend after 0, then repeat: 4 / 3

Let's proceed to step 3:
The number 3 fits into 4 1 times, leaving a remainder of 1.
Write down 1 as next digit of the result. 
Result so far: 71.0
If we subtract 3 from 4, we get 1.
Grab the next digit (8) from the dividend, add it to 1, then carry on: 18 / 3

Advancing to step 4:
3 can be fit into 18 6 times, resulting in a remainder of 0.
Put 6 as the next digit of the answer. 
Result so far: 716.0
If we subtract 18 from 18, we get 0.
Append the next digit (8) from the dividend to 0 and continue with: 8 / 3

Let's proceed to step 5:
If we divide 8 by 3, we get 2 and a remainder of 2.
Write down 2 as next digit of the result. 
Result so far: 7162.0
The remainder is 2 after subtracting 6 from 8.
Append the next digit (3) from the dividend to 2 and continue with: 23 / 3

On to step 6:
3 can be fit into 23 7 times, resulting in a remainder of 2.
The number 7 becomes the next digit in our result. 
Result so far: 71627.0
Subtract 21 from 23 to get 2.
Append the next digit (2) from the dividend to 2 and continue with: 22 / 3

Step 7:
If we divide 22 by 3, we get 7 and a remainder of 1.
The number 7 becomes the next digit in our result. 
Result so far: 716277.0
If we subtract 21 from 22, we get 1.
Append the next digit (5) from the dividend to 1 and continue with: 15 / 3

Moving on to step 8:
15 divided by 3 is 5 with a remainder of 0.
The next digit of our result is 5. 
Result so far: 7162775.0
If we take 15 away from 15, we end up 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.

Step 9:
0 divided by 3 is 0 with a remainder of 0.
Use 0 as the next digit of our solution. 
Result so far: 7162775.0
Subtract 0 from 0 to 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.

Moving on to step 10:
The number 3 fits into 0 0 times, leaving a remainder of 0.
Use 0 as the next digit of our solution. 
Result so far: 7162775.0
Subtracting 0 from 0 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.

The quotient of the division is 7162775.0, and the remainder is 0.0.