Finding the Third Proportional to 13,133.39 and 17,239.71

Step by Step Solution

1. Step 1: Write the proportion equation
   13,133.39 : 17,239.71 = 17,239.71 : x
2. Step 2: Convert to fraction form
   13,133.39/17,239.71 = 17,239.71/x
3. Step 3: Cross multiply
   13,133.39x = 17,239.71 × 17,239.71
4. Step 4: Simplify right side
   13,133.39x = 297,207,633.21
5. Step 5: Solve for x
   x = 297,207,633.21/13,133.39
6. Step 6: Final answer
   x = 22,629.92