Finding the Third Proportional to 60.61 and 132.61

Step by Step Solution

1. Step 1: Write the proportion equation
   60.61 : 132.61 = 132.61 : x
2. Step 2: Convert to fraction form
   60.61/132.61 = 132.61/x
3. Step 3: Cross multiply
   60.61x = 132.61 × 132.61
4. Step 4: Simplify right side
   60.61x = 17,585.25
5. Step 5: Solve for x
   x = 17,585.25/60.61
6. Step 6: Final answer
   x = 290.14