Finding the Third Proportional to 12,748.50 and 16,854.75

Step by Step Solution

1. Step 1: Write the proportion equation
   12,748.50 : 16,854.75 = 16,854.75 : x
2. Step 2: Convert to fraction form
   12,748.50/16,854.75 = 16,854.75/x
3. Step 3: Cross multiply
   12,748.50x = 16,854.75 × 16,854.75
4. Step 4: Simplify right side
   12,748.50x = 284,082,597.56
5. Step 5: Solve for x
   x = 284,082,597.56/12,748.50
6. Step 6: Final answer
   x = 22,283.61