Finding the Third Proportional to 11,128 and 17,330

Step by Step Solution

1. Step 1: Write the proportion equation
   11,128 : 17,330 = 17,330 : x
2. Step 2: Convert to fraction form
   11,128/17,330 = 17,330/x
3. Step 3: Cross multiply
   11,128x = 17,330 × 17,330
4. Step 4: Simplify right side
   11,128x = 300,328,900
5. Step 5: Solve for x
   x = 300,328,900/11,128
6. Step 6: Final answer
   x = 26,988.58