Finding the Third Proportional to 151,303.50 and 329,287.50

Step by Step Solution

1. Step 1: Write the proportion equation
   151,303.50 : 329,287.50 = 329,287.50 : x
2. Step 2: Convert to fraction form
   151,303.50/329,287.50 = 329,287.50/x
3. Step 3: Cross multiply
   151,303.50x = 329,287.50 × 329,287.50
4. Step 4: Simplify right side
   151,303.50x = 108,430,257,656.25
5. Step 5: Solve for x
   x = 108,430,257,656.25/151,303.50
6. Step 6: Final answer
   x = 716,640.78