60928778 ÷ 409 
We want to figure out the number of times 60928778 can be divided by 409.

Advancing to step 1:
The number 409 fits into 6 0 times, leaving a remainder of 6.
The next digit of our result is 0. 
Result so far: 0.0
The remainder is 6 after subtracting 0 from 6.
Append the next digit (0) from the dividend to 6 and continue with: 60 / 409

Moving on to step 2:
When dividing 60 by 409, we get 0 with a remainder of 60.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
Subtracting 0 from 60 leaves us with 60.
Grab the next digit (9) from the dividend, add it to 60, then carry on: 609 / 409

Let's proceed to step 3:
When dividing 609 by 409, we get 1 with a remainder of 200.
Use 1 as the next digit of our solution. 
Result so far: 1.0
Subtract 409 from 609 to get 200.
Include the next digit (2) from the dividend after 200, then repeat: 2002 / 409

Advancing to step 4:
409 can be fit into 2002 4 times, resulting in a remainder of 366.
The next digit of our result is 4. 
Result so far: 14.0
Deduct 1636 from 2002 and we're left with 366.
Append the next digit (8) from the dividend to 366 and continue with: 3668 / 409

Let's proceed to step 5:
3668 divided by 409 is 8 with a remainder of 396.
Write down 8 as next digit of the result. 
Result so far: 148.0
Subtracting 3272 from 3668 leaves us with 396.
Fetch the next digit (7) from the dividend, attach it to 396 and continue: 3967 / 409

On to step 6:
If we divide 3967 by 409, we get 9 and a remainder of 286.
The number 9 becomes the next digit in our result. 
Result so far: 1489.0
Subtracting 3681 from 3967 leaves us with 286.
Bring next digit (7) of the dividend behind the 286 and repeat the process: 2867 / 409

Advancing to step 7:
2867 divided by 409 is 7 with a remainder of 4.
Write down 7 as next digit of the result. 
Result so far: 14897.0
Subtracting 2863 from 2867 leaves us with 4.
Take the next digit (8) from the dividend and append it to 4, then repeat: 48 / 409

On to step 8:
409 can be fit into 48 0 times, resulting in a remainder of 48.
Put 0 as the next digit of the answer. 
Result so far: 148970.0
Subtracting 0 from 48 leaves us with 48.
Since there are no more digits in the dividend, we add a zero to the remainder making it 480, and continue the process.

Moving on to step 9:
If we divide 480 by 409, we get 1 and a remainder of 71.
Use 1 as the next digit of our solution. 
Result so far: 148970.1
Deduct 409 from 480 and we're left with 71.
Since there are no more digits in the dividend, we add a zero to the remainder making it 710, and continue the process.

Let's proceed to step 10:
If we divide 710 by 409, we get 1 and a remainder of 301.
Put 1 as the next digit of the answer. 
Result so far: 148970.11
Deduct 409 from 710 and we're left with 301.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3010, and continue the process.

The final outcome is 148970.11, with a leftover of 0.301.