Finding the Third Proportional to 11,247.75 and 16,780.50

Step by Step Solution

1. Step 1: Write the proportion equation
   11,247.75 : 16,780.50 = 16,780.50 : x
2. Step 2: Convert to fraction form
   11,247.75/16,780.50 = 16,780.50/x
3. Step 3: Cross multiply
   11,247.75x = 16,780.50 × 16,780.50
4. Step 4: Simplify right side
   11,247.75x = 281,585,180.25
5. Step 5: Solve for x
   x = 281,585,180.25/11,247.75
6. Step 6: Final answer
   x = 25,034.80