Finding the Third Proportional to 10,787 and 16,469

Step by Step Solution

1. Step 1: Write the proportion equation
   10,787 : 16,469 = 16,469 : x
2. Step 2: Convert to fraction form
   10,787/16,469 = 16,469/x
3. Step 3: Cross multiply
   10,787x = 16,469 × 16,469
4. Step 4: Simplify right side
   10,787x = 271,227,961
5. Step 5: Solve for x
   x = 271,227,961/10,787
6. Step 6: Final answer
   x = 25,143.97