Finding the Third Proportional to 150,120 and 329,764.50

Step by Step Solution

1. Step 1: Write the proportion equation
   150,120 : 329,764.50 = 329,764.50 : x
2. Step 2: Convert to fraction form
   150,120/329,764.50 = 329,764.50/x
3. Step 3: Cross multiply
   150,120x = 329,764.50 × 329,764.50
4. Step 4: Simplify right side
   150,120x = 108,744,625,460.25
5. Step 5: Solve for x
   x = 108,744,625,460.25/150,120
6. Step 6: Final answer
   x = 724,384.66