Finding the Third Proportional to 11,280 and 25,143

Step by Step Solution

1. Step 1: Write the proportion equation
   11,280 : 25,143 = 25,143 : x
2. Step 2: Convert to fraction form
   11,280/25,143 = 25,143/x
3. Step 3: Cross multiply
   11,280x = 25,143 × 25,143
4. Step 4: Simplify right side
   11,280x = 632,170,449
5. Step 5: Solve for x
   x = 632,170,449/11,280
6. Step 6: Final answer
   x = 56,043.48