Finding the Third Proportional to 146,614,118 and 215,128,324.50

Step by Step Solution

1. Step 1: Write the proportion equation
   146,614,118 : 215,128,324.50 = 215,128,324.50 : x
2. Step 2: Convert to fraction form
   146,614,118/215,128,324.50 = 215,128,324.50/x
3. Step 3: Cross multiply
   146,614,118x = 215,128,324.50 × 215,128,324.50
4. Step 4: Simplify right side
   146,614,118x = 46,280,196,002,177,304
5. Step 5: Solve for x
   x = 46,280,196,002,177,304/146,614,118
6. Step 6: Final answer
   x = 315,659,887.56