Finding the Third Proportional to 11,710.69 and 17,857.69

Step by Step Solution

1. Step 1: Write the proportion equation
   11,710.69 : 17,857.69 = 17,857.69 : x
2. Step 2: Convert to fraction form
   11,710.69/17,857.69 = 17,857.69/x
3. Step 3: Cross multiply
   11,710.69x = 17,857.69 × 17,857.69
4. Step 4: Simplify right side
   11,710.69x = 318,897,002.85
5. Step 5: Solve for x
   x = 318,897,002.85/11,710.69
6. Step 6: Final answer
   x = 27,231.28