Finding the Third Proportional to 150,513 and 329,011.50

Step by Step Solution

1. Step 1: Write the proportion equation
   150,513 : 329,011.50 = 329,011.50 : x
2. Step 2: Convert to fraction form
   150,513/329,011.50 = 329,011.50/x
3. Step 3: Cross multiply
   150,513x = 329,011.50 × 329,011.50
4. Step 4: Simplify right side
   150,513x = 108,248,567,132.25
5. Step 5: Solve for x
   x = 108,248,567,132.25/150,513
6. Step 6: Final answer
   x = 719,197.46