Finding the Third Proportional to 11,288 and 17,930

Step by Step Solution

1. Step 1: Write the proportion equation
   11,288 : 17,930 = 17,930 : x
2. Step 2: Convert to fraction form
   11,288/17,930 = 17,930/x
3. Step 3: Cross multiply
   11,288x = 17,930 × 17,930
4. Step 4: Simplify right side
   11,288x = 321,484,900
5. Step 5: Solve for x
   x = 321,484,900/11,288
6. Step 6: Final answer
   x = 28,480.24