Finding the Third Proportional to 28.28 and 61.52

Step by Step Solution

1. Step 1: Write the proportion equation
   28.28 : 61.52 = 61.52 : x
2. Step 2: Convert to fraction form
   28.28/61.52 = 61.52/x
3. Step 3: Cross multiply
   28.28x = 61.52 × 61.52
4. Step 4: Simplify right side
   28.28x = 3,785.13
5. Step 5: Solve for x
   x = 3,785.13/28.28
6. Step 6: Final answer
   x = 133.86