Finding the Third Proportional to 5,487.75 and 14,691.38

Step by Step Solution

1. Step 1: Write the proportion equation
   5,487.75 : 14,691.38 = 14,691.38 : x
2. Step 2: Convert to fraction form
   5,487.75/14,691.38 = 14,691.38/x
3. Step 3: Cross multiply
   5,487.75x = 14,691.38 × 14,691.38
4. Step 4: Simplify right side
   5,487.75x = 215,836,499.39
5. Step 5: Solve for x
   x = 215,836,499.39/5,487.75
6. Step 6: Final answer
   x = 39,330.60