Finding the Third Proportional to 2,220,538 and 4,842,664

Step by Step Solution

1. Step 1: Write the proportion equation
   2,220,538 : 4,842,664 = 4,842,664 : x
2. Step 2: Convert to fraction form
   2,220,538/4,842,664 = 4,842,664/x
3. Step 3: Cross multiply
   2,220,538x = 4,842,664 × 4,842,664
4. Step 4: Simplify right side
   2,220,538x = 23,451,394,616,896
5. Step 5: Solve for x
   x = 23,451,394,616,896/2,220,538
6. Step 6: Final answer
   x = 10,561,131.86