Finding the Third Proportional to 115,727,697 and 247,562,298

Step by Step Solution

1. Step 1: Write the proportion equation
   115,727,697 : 247,562,298 = 247,562,298 : x
2. Step 2: Convert to fraction form
   115,727,697/247,562,298 = 247,562,298/x
3. Step 3: Cross multiply
   115,727,697x = 247,562,298 × 247,562,298
4. Step 4: Simplify right side
   115,727,697x = 61,287,091,391,040,800
5. Step 5: Solve for x
   x = 61,287,091,391,040,800/115,727,697
6. Step 6: Final answer
   x = 529,580,152.20