Finding the Third Proportional to 10,666.50 and 16,146.75

Step by Step Solution

1. Step 1: Write the proportion equation
   10,666.50 : 16,146.75 = 16,146.75 : x
2. Step 2: Convert to fraction form
   10,666.50/16,146.75 = 16,146.75/x
3. Step 3: Cross multiply
   10,666.50x = 16,146.75 × 16,146.75
4. Step 4: Simplify right side
   10,666.50x = 260,717,535.56
5. Step 5: Solve for x
   x = 260,717,535.56/10,666.50
6. Step 6: Final answer
   x = 24,442.65