Finding the Third Proportional to 151,422,131.25 and 328,687,142.63

Step by Step Solution

1. Step 1: Write the proportion equation
   151,422,131.25 : 328,687,142.63 = 328,687,142.63 : x
2. Step 2: Convert to fraction form
   151,422,131.25/328,687,142.63 = 328,687,142.63/x
3. Step 3: Cross multiply
   151,422,131.25x = 328,687,142.63 × 328,687,142.63
4. Step 4: Simplify right side
   151,422,131.25x = 108,035,237,726,987,088
5. Step 5: Solve for x
   x = 108,035,237,726,987,088/151,422,131.25
6. Step 6: Final answer
   x = 713,470,592.67