Finding the Third Proportional to 68,598,592 and 142,842,560

Step by Step Solution

1. Step 1: Write the proportion equation
   68,598,592 : 142,842,560 = 142,842,560 : x
2. Step 2: Convert to fraction form
   68,598,592/142,842,560 = 142,842,560/x
3. Step 3: Cross multiply
   68,598,592x = 142,842,560 × 142,842,560
4. Step 4: Simplify right side
   68,598,592x = 20,403,996,947,353,600
5. Step 5: Solve for x
   x = 20,403,996,947,353,600/68,598,592
6. Step 6: Final answer
   x = 297,440,462.73