Finding the Third Proportional to 9,104.06 and 13,721.91

Step by Step Solution

1. Step 1: Write the proportion equation
   9,104.06 : 13,721.91 = 13,721.91 : x
2. Step 2: Convert to fraction form
   9,104.06/13,721.91 = 13,721.91/x
3. Step 3: Cross multiply
   9,104.06x = 13,721.91 × 13,721.91
4. Step 4: Simplify right side
   9,104.06x = 188,290,711.13
5. Step 5: Solve for x
   x = 188,290,711.13/9,104.06
6. Step 6: Final answer
   x = 20,682.05