Finding the Third Proportional to 150.56 and 328.59

Step by Step Solution

1. Step 1: Write the proportion equation
   150.56 : 328.59 = 328.59 : x
2. Step 2: Convert to fraction form
   150.56/328.59 = 328.59/x
3. Step 3: Cross multiply
   150.56x = 328.59 × 328.59
4. Step 4: Simplify right side
   150.56x = 107,973.85
5. Step 5: Solve for x
   x = 107,973.85/150.56
6. Step 6: Final answer
   x = 717.14