Finding the Third Proportional to 11,123 and 17,217

Step by Step Solution

1. Step 1: Write the proportion equation
   11,123 : 17,217 = 17,217 : x
2. Step 2: Convert to fraction form
   11,123/17,217 = 17,217/x
3. Step 3: Cross multiply
   11,123x = 17,217 × 17,217
4. Step 4: Simplify right side
   11,123x = 296,425,089
5. Step 5: Solve for x
   x = 296,425,089/11,123
6. Step 6: Final answer
   x = 26,649.74