Finding the Third Proportional to 11,129.35 and 17,261.07

Step by Step Solution

1. Step 1: Write the proportion equation
   11,129.35 : 17,261.07 = 17,261.07 : x
2. Step 2: Convert to fraction form
   11,129.35/17,261.07 = 17,261.07/x
3. Step 3: Cross multiply
   11,129.35x = 17,261.07 × 17,261.07
4. Step 4: Simplify right side
   11,129.35x = 297,944,480.91
5. Step 5: Solve for x
   x = 297,944,480.91/11,129.35
6. Step 6: Final answer
   x = 26,771.05