Finding the Third Proportional to 10,085.50 and 14,687

Step by Step Solution

1. Step 1: Write the proportion equation
   10,085.50 : 14,687 = 14,687 : x
2. Step 2: Convert to fraction form
   10,085.50/14,687 = 14,687/x
3. Step 3: Cross multiply
   10,085.50x = 14,687 × 14,687
4. Step 4: Simplify right side
   10,085.50x = 215,707,969
5. Step 5: Solve for x
   x = 215,707,969/10,085.50
6. Step 6: Final answer
   x = 21,387.93