Finding the Third Proportional to 2,220,539 and 4,842,665

Step by Step Solution

1. Step 1: Write the proportion equation
   2,220,539 : 4,842,665 = 4,842,665 : x
2. Step 2: Convert to fraction form
   2,220,539/4,842,665 = 4,842,665/x
3. Step 3: Cross multiply
   2,220,539x = 4,842,665 × 4,842,665
4. Step 4: Simplify right side
   2,220,539x = 23,451,404,302,225
5. Step 5: Solve for x
   x = 23,451,404,302,225/2,220,539
6. Step 6: Final answer
   x = 10,561,131.47