We divide 644216 by 45
We want to divide 644216 by 45.

Let's proceed to step 1:
45 goes into 6 0 times with a remainder of 6.
The next digit of our result is 0. 
Result so far: 0.0
Subtract 0 from 6 to get 6.
Include the next digit (4) from the dividend after 6, then repeat: 64 / 45

Moving on to step 2:
If we divide 64 by 45, we get 1 and a remainder of 19.
Use 1 as the next digit of our solution. 
Result so far: 1.0
The remainder is 19 after subtracting 45 from 64.
Append the next digit (4) from the dividend to 19 and continue with: 194 / 45

Advancing to step 3:
45 goes into 194 4 times with a remainder of 14.
Put 4 as the next digit of the answer. 
Result so far: 14.0
The remainder is 14 after subtracting 180 from 194.
Fetch the next digit (2) from the dividend, attach it to 14 and continue: 142 / 45

Going ahead to step 4:
45 goes into 142 3 times with a remainder of 7.
Put 3 as the next digit of the answer. 
Result so far: 143.0
Deduct 135 from 142 and we're left with 7.
Bring next digit (1) of the dividend behind the 7 and repeat the process: 71 / 45

Going ahead to step 5:
71 divided by 45 is 1 with a remainder of 26.
Use 1 as the next digit of our solution. 
Result so far: 1431.0
Subtract 45 from 71 to get 26.
Take the next digit (6) from the dividend and append it to 26, then repeat: 266 / 45

On to step 6:
The number 45 fits into 266 5 times, leaving a remainder of 41.
Use 5 as the next digit of our solution. 
Result so far: 14315.0
The remainder is 41 after subtracting 225 from 266.
Since there are no more digits in the dividend, we add a zero to the remainder making it 410, and continue the process.

Step 7:
When dividing 410 by 45, we get 9 with a remainder of 5.
The next digit of our result is 9. 
Result so far: 14315.9
Deduct 405 from 410 and we're left with 5.
Since there are no more digits in the dividend, we add a zero to the remainder making it 50, and continue the process.

Advancing to step 8:
45 goes into 50 1 times with a remainder of 5.
Write down 1 as next digit of the result. 
Result so far: 14315.91
Deduct 45 from 50 and we're left with 5.
Since there are no more digits in the dividend, we add a zero to the remainder making it 50, and continue the process.

Going ahead to step 9:
If we divide 50 by 45, we get 1 and a remainder of 5.
The number 1 becomes the next digit in our result. 
Result so far: 14315.911
Subtracting 45 from 50 leaves us with 5.
Since there are no more digits in the dividend, we add a zero to the remainder making it 50, and continue the process.

In conclusion, the division gives 14315.911 with a balance of 0.0005.