Finding the Third Proportional to 30.52 and 63.89

Step by Step Solution

1. Step 1: Write the proportion equation
   30.52 : 63.89 = 63.89 : x
2. Step 2: Convert to fraction form
   30.52/63.89 = 63.89/x
3. Step 3: Cross multiply
   30.52x = 63.89 × 63.89
4. Step 4: Simplify right side
   30.52x = 4,082.01
5. Step 5: Solve for x
   x = 4,082.01/30.52
6. Step 6: Final answer
   x = 133.77