Finding the Third Proportional to 150,007.50 and 328,036.50

Step by Step Solution

1. Step 1: Write the proportion equation
   150,007.50 : 328,036.50 = 328,036.50 : x
2. Step 2: Convert to fraction form
   150,007.50/328,036.50 = 328,036.50/x
3. Step 3: Cross multiply
   150,007.50x = 328,036.50 × 328,036.50
4. Step 4: Simplify right side
   150,007.50x = 107,607,945,332.25
5. Step 5: Solve for x
   x = 107,607,945,332.25/150,007.50
6. Step 6: Final answer
   x = 717,350.43