Finding the Third Proportional to 16,993.13 and 25,864.31

Step by Step Solution

1. Step 1: Write the proportion equation
   16,993.13 : 25,864.31 = 25,864.31 : x
2. Step 2: Convert to fraction form
   16,993.13/25,864.31 = 25,864.31/x
3. Step 3: Cross multiply
   16,993.13x = 25,864.31 × 25,864.31
4. Step 4: Simplify right side
   16,993.13x = 668,962,661.10
5. Step 5: Solve for x
   x = 668,962,661.10/16,993.13
6. Step 6: Final answer
   x = 39,366.67