Finding the Third Proportional to 118,074,298 and 243,693,918

Step by Step Solution

1. Step 1: Write the proportion equation
   118,074,298 : 243,693,918 = 243,693,918 : x
2. Step 2: Convert to fraction form
   118,074,298/243,693,918 = 243,693,918/x
3. Step 3: Cross multiply
   118,074,298x = 243,693,918 × 243,693,918
4. Step 4: Simplify right side
   118,074,298x = 59,386,725,670,190,720
5. Step 5: Solve for x
   x = 59,386,725,670,190,720/118,074,298
6. Step 6: Final answer
   x = 502,960,650.00