Finding the Third Proportional to 10,687 and 15,940

Step by Step Solution

1. Step 1: Write the proportion equation
   10,687 : 15,940 = 15,940 : x
2. Step 2: Convert to fraction form
   10,687/15,940 = 15,940/x
3. Step 3: Cross multiply
   10,687x = 15,940 × 15,940
4. Step 4: Simplify right side
   10,687x = 254,083,600
5. Step 5: Solve for x
   x = 254,083,600/10,687
6. Step 6: Final answer
   x = 23,775.02