Finding the Third Proportional to 11,238 and 17,887

Step by Step Solution

1. Step 1: Write the proportion equation
   11,238 : 17,887 = 17,887 : x
2. Step 2: Convert to fraction form
   11,238/17,887 = 17,887/x
3. Step 3: Cross multiply
   11,238x = 17,887 × 17,887
4. Step 4: Simplify right side
   11,238x = 319,944,769
5. Step 5: Solve for x
   x = 319,944,769/11,238
6. Step 6: Final answer
   x = 28,469.90