Finding the Third Proportional to 11,280 and 17,130

Step by Step Solution

1. Step 1: Write the proportion equation
   11,280 : 17,130 = 17,130 : x
2. Step 2: Convert to fraction form
   11,280/17,130 = 17,130/x
3. Step 3: Cross multiply
   11,280x = 17,130 × 17,130
4. Step 4: Simplify right side
   11,280x = 293,436,900
5. Step 5: Solve for x
   x = 293,436,900/11,280
6. Step 6: Final answer
   x = 26,013.91