Finding the Third Proportional to 151.45 and 328.27

Step by Step Solution

1. Step 1: Write the proportion equation
   151.45 : 328.27 = 328.27 : x
2. Step 2: Convert to fraction form
   151.45/328.27 = 328.27/x
3. Step 3: Cross multiply
   151.45x = 328.27 × 328.27
4. Step 4: Simplify right side
   151.45x = 107,758.32
5. Step 5: Solve for x
   x = 107,758.32/151.45
6. Step 6: Final answer
   x = 711.50