Finding the Third Proportional to 11,512.13 and 15,280.52

Step by Step Solution

1. Step 1: Write the proportion equation
   11,512.13 : 15,280.52 = 15,280.52 : x
2. Step 2: Convert to fraction form
   11,512.13/15,280.52 = 15,280.52/x
3. Step 3: Cross multiply
   11,512.13x = 15,280.52 × 15,280.52
4. Step 4: Simplify right side
   11,512.13x = 233,494,396.52
5. Step 5: Solve for x
   x = 233,494,396.52/11,512.13
6. Step 6: Final answer
   x = 20,282.48