Finding the Third Proportional to 151,242 and 329,155.50

Step by Step Solution

1. Step 1: Write the proportion equation
   151,242 : 329,155.50 = 329,155.50 : x
2. Step 2: Convert to fraction form
   151,242/329,155.50 = 329,155.50/x
3. Step 3: Cross multiply
   151,242x = 329,155.50 × 329,155.50
4. Step 4: Simplify right side
   151,242x = 108,343,343,180.25
5. Step 5: Solve for x
   x = 108,343,343,180.25/151,242
6. Step 6: Final answer
   x = 716,357.51