Finding the Third Proportional to 16,716.38 and 34,728.75

Step by Step Solution

1. Step 1: Write the proportion equation
   16,716.38 : 34,728.75 = 34,728.75 : x
2. Step 2: Convert to fraction form
   16,716.38/34,728.75 = 34,728.75/x
3. Step 3: Cross multiply
   16,716.38x = 34,728.75 × 34,728.75
4. Step 4: Simplify right side
   16,716.38x = 1,206,086,076.56
5. Step 5: Solve for x
   x = 1,206,086,076.56/16,716.38
6. Step 6: Final answer
   x = 72,149.98