Finding the Third Proportional to 11,729.39 and 17,609.48

Step by Step Solution

1. Step 1: Write the proportion equation
   11,729.39 : 17,609.48 = 17,609.48 : x
2. Step 2: Convert to fraction form
   11,729.39/17,609.48 = 17,609.48/x
3. Step 3: Cross multiply
   11,729.39x = 17,609.48 × 17,609.48
4. Step 4: Simplify right side
   11,729.39x = 310,093,939.95
5. Step 5: Solve for x
   x = 310,093,939.95/11,729.39
6. Step 6: Final answer
   x = 26,437.34