Finding the Third Proportional to 11,153 and 17,279

Step by Step Solution

1. Step 1: Write the proportion equation
   11,153 : 17,279 = 17,279 : x
2. Step 2: Convert to fraction form
   11,153/17,279 = 17,279/x
3. Step 3: Cross multiply
   11,153x = 17,279 × 17,279
4. Step 4: Simplify right side
   11,153x = 298,563,841
5. Step 5: Solve for x
   x = 298,563,841/11,153
6. Step 6: Final answer
   x = 26,769.82