Finding the Third Proportional to 9,169.88 and 13,717.69

Step by Step Solution

1. Step 1: Write the proportion equation
   9,169.88 : 13,717.69 = 13,717.69 : x
2. Step 2: Convert to fraction form
   9,169.88/13,717.69 = 13,717.69/x
3. Step 3: Cross multiply
   9,169.88x = 13,717.69 × 13,717.69
4. Step 4: Simplify right side
   9,169.88x = 188,174,950.35
5. Step 5: Solve for x
   x = 188,174,950.35/9,169.88
6. Step 6: Final answer
   x = 20,520.99