Finding the Third Proportional to 150,881.50 and 329,789

Step by Step Solution

1. Step 1: Write the proportion equation
   150,881.50 : 329,789 = 329,789 : x
2. Step 2: Convert to fraction form
   150,881.50/329,789 = 329,789/x
3. Step 3: Cross multiply
   150,881.50x = 329,789 × 329,789
4. Step 4: Simplify right side
   150,881.50x = 108,760,784,521
5. Step 5: Solve for x
   x = 108,760,784,521/150,881.50
6. Step 6: Final answer
   x = 720,835.79