Finding the Third Proportional to 11,284.95 and 17,543.78

Step by Step Solution

1. Step 1: Write the proportion equation
   11,284.95 : 17,543.78 = 17,543.78 : x
2. Step 2: Convert to fraction form
   11,284.95/17,543.78 = 17,543.78/x
3. Step 3: Cross multiply
   11,284.95x = 17,543.78 × 17,543.78
4. Step 4: Simplify right side
   11,284.95x = 307,784,123.49
5. Step 5: Solve for x
   x = 307,784,123.49/11,284.95
6. Step 6: Final answer
   x = 27,273.87