Finding the Third Proportional to 16,788.50 and 25,709

Step by Step Solution

1. Step 1: Write the proportion equation
   16,788.50 : 25,709 = 25,709 : x
2. Step 2: Convert to fraction form
   16,788.50/25,709 = 25,709/x
3. Step 3: Cross multiply
   16,788.50x = 25,709 × 25,709
4. Step 4: Simplify right side
   16,788.50x = 660,952,681
5. Step 5: Solve for x
   x = 660,952,681/16,788.50
6. Step 6: Final answer
   x = 39,369.37