We look at the division of 1638973 by 878 
We want to divide 1638973 by 878.

On to step 1:
The number 878 fits into 1 0 times, leaving a remainder of 1.
Use 0 as the next digit of our solution. 
Result so far: 0.0
Deduct 0 from 1 and we're left with 1.
Include the next digit (6) from the dividend after 1, then repeat: 16 / 878

Moving on to step 2:
878 goes into 16 0 times with a remainder of 16.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
If we take 0 away from 16, we end up with 16.
Take the next digit (3) from the dividend and append it to 16, then repeat: 163 / 878

Advancing to step 3:
The number 878 fits into 163 0 times, leaving a remainder of 163.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
If we take 0 away from 163, we end up with 163.
Fetch the next digit (8) from the dividend, attach it to 163 and continue: 1638 / 878

Advancing to step 4:
878 can be fit into 1638 1 times, resulting in a remainder of 760.
Write down 1 as next digit of the result. 
Result so far: 1.0
The remainder is 760 after subtracting 878 from 1638.
Bring next digit (9) of the dividend behind the 760 and repeat the process: 7609 / 878

Moving on to step 5:
7609 divided by 878 is 8 with a remainder of 585.
Use 8 as the next digit of our solution. 
Result so far: 18.0
If we take 7024 away from 7609, we end up with 585.
Append the next digit (7) from the dividend to 585 and continue with: 5857 / 878

Going ahead to step 6:
The number 878 fits into 5857 6 times, leaving a remainder of 589.
Record the quotient 6 as the next digit in the result. 
Result so far: 186.0
The remainder is 589 after subtracting 5268 from 5857.
Take the next digit (3) from the dividend and append it to 589, then repeat: 5893 / 878

Let's proceed to step 7:
878 goes into 5893 6 times with a remainder of 625.
Record the quotient 6 as the next digit in the result. 
Result so far: 1866.0
The remainder is 625 after subtracting 5268 from 5893.
Since there are no more digits in the dividend, we add a zero to the remainder making it 6250, and continue the process.

Moving on to step 8:
878 goes into 6250 7 times with a remainder of 104.
The next digit of our result is 7. 
Result so far: 1866.7
Deduct 6146 from 6250 and we're left with 104.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1040, and continue the process.

Moving on to step 9:
1040 divided by 878 is 1 with a remainder of 162.
The number 1 becomes the next digit in our result. 
Result so far: 1866.71
If we subtract 878 from 1040, we get 162.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1620, and continue the process.

Let's proceed to step 10:
The number 878 fits into 1620 1 times, leaving a remainder of 742.
Use 1 as the next digit of our solution. 
Result so far: 1866.711
If we subtract 878 from 1620, we get 742.
Since there are no more digits in the dividend, we add a zero to the remainder making it 7420, and continue the process.

In conclusion, the division gives 1866.711 with a balance of 0.0742.