Finding the Third Proportional to 50.20 and 71.30

Step by Step Solution

1. Step 1: Write the proportion equation
   50.20 : 71.30 = 71.30 : x
2. Step 2: Convert to fraction form
   50.20/71.30 = 71.30/x
3. Step 3: Cross multiply
   50.20x = 71.30 × 71.30
4. Step 4: Simplify right side
   50.20x = 5,083.24
5. Step 5: Solve for x
   x = 5,083.24/50.20
6. Step 6: Final answer
   x = 101.25