Finding the Third Proportional to 11,259 and 17,919

Step by Step Solution

1. Step 1: Write the proportion equation
   11,259 : 17,919 = 17,919 : x
2. Step 2: Convert to fraction form
   11,259/17,919 = 17,919/x
3. Step 3: Cross multiply
   11,259x = 17,919 × 17,919
4. Step 4: Simplify right side
   11,259x = 321,090,561
5. Step 5: Solve for x
   x = 321,090,561/11,259
6. Step 6: Final answer
   x = 28,518.57