Finding the Third Proportional to 329,616 and 495,301.50

Step by Step Solution

1. Step 1: Write the proportion equation
   329,616 : 495,301.50 = 495,301.50 : x
2. Step 2: Convert to fraction form
   329,616/495,301.50 = 495,301.50/x
3. Step 3: Cross multiply
   329,616x = 495,301.50 × 495,301.50
4. Step 4: Simplify right side
   329,616x = 245,323,575,902.25
5. Step 5: Solve for x
   x = 245,323,575,902.25/329,616
6. Step 6: Final answer
   x = 744,270.84