Finding the Third Proportional to 48.50 and 65.38

Step by Step Solution

1. Step 1: Write the proportion equation
   48.50 : 65.38 = 65.38 : x
2. Step 2: Convert to fraction form
   48.50/65.38 = 65.38/x
3. Step 3: Cross multiply
   48.50x = 65.38 × 65.38
4. Step 4: Simplify right side
   48.50x = 4,273.89
5. Step 5: Solve for x
   x = 4,273.89/48.50
6. Step 6: Final answer
   x = 88.12