Finding the Third Proportional to 28.38 and 60.50

Step by Step Solution

1. Step 1: Write the proportion equation
   28.38 : 60.50 = 60.50 : x
2. Step 2: Convert to fraction form
   28.38/60.50 = 60.50/x
3. Step 3: Cross multiply
   28.38x = 60.50 × 60.50
4. Step 4: Simplify right side
   28.38x = 3,660.25
5. Step 5: Solve for x
   x = 3,660.25/28.38
6. Step 6: Final answer
   x = 129.00