Finding the Third Proportional to 151,957,046.25 and 309,279,755.25

Step by Step Solution

1. Step 1: Write the proportion equation
   151,957,046.25 : 309,279,755.25 = 309,279,755.25 : x
2. Step 2: Convert to fraction form
   151,957,046.25/309,279,755.25 = 309,279,755.25/x
3. Step 3: Cross multiply
   151,957,046.25x = 309,279,755.25 × 309,279,755.25
4. Step 4: Simplify right side
   151,957,046.25x = 95,653,967,007,499,904
5. Step 5: Solve for x
   x = 95,653,967,007,499,904/151,957,046.25
6. Step 6: Final answer
   x = 629,480,299.65