Finding the Third Proportional to 9,089.72 and 13,702.92

Step by Step Solution

1. Step 1: Write the proportion equation
   9,089.72 : 13,702.92 = 13,702.92 : x
2. Step 2: Convert to fraction form
   9,089.72/13,702.92 = 13,702.92/x
3. Step 3: Cross multiply
   9,089.72x = 13,702.92 × 13,702.92
4. Step 4: Simplify right side
   9,089.72x = 187,770,067.91
5. Step 5: Solve for x
   x = 187,770,067.91/9,089.72
6. Step 6: Final answer
   x = 20,657.41