Finding the Third Proportional to 150,145 and 329,820.50

Step by Step Solution

1. Step 1: Write the proportion equation
   150,145 : 329,820.50 = 329,820.50 : x
2. Step 2: Convert to fraction form
   150,145/329,820.50 = 329,820.50/x
3. Step 3: Cross multiply
   150,145x = 329,820.50 × 329,820.50
4. Step 4: Simplify right side
   150,145x = 108,781,562,220.25
5. Step 5: Solve for x
   x = 108,781,562,220.25/150,145
6. Step 6: Final answer
   x = 724,510.06