Finding the Third Proportional to 10,717.31 and 16,384.78

Step by Step Solution

1. Step 1: Write the proportion equation
   10,717.31 : 16,384.78 = 16,384.78 : x
2. Step 2: Convert to fraction form
   10,717.31/16,384.78 = 16,384.78/x
3. Step 3: Cross multiply
   10,717.31x = 16,384.78 × 16,384.78
4. Step 4: Simplify right side
   10,717.31x = 268,461,056.61
5. Step 5: Solve for x
   x = 268,461,056.61/10,717.31
6. Step 6: Final answer
   x = 25,049.29