Finding the Third Proportional to 124.42 and 132.96

Step by Step Solution

1. Step 1: Write the proportion equation
   124.42 : 132.96 = 132.96 : x
2. Step 2: Convert to fraction form
   124.42/132.96 = 132.96/x
3. Step 3: Cross multiply
   124.42x = 132.96 × 132.96
4. Step 4: Simplify right side
   124.42x = 17,678.61
5. Step 5: Solve for x
   x = 17,678.61/124.42
6. Step 6: Final answer
   x = 142.09