Finding the Third Proportional to 17,488.50 and 27,279

Step by Step Solution

1. Step 1: Write the proportion equation
   17,488.50 : 27,279 = 27,279 : x
2. Step 2: Convert to fraction form
   17,488.50/27,279 = 27,279/x
3. Step 3: Cross multiply
   17,488.50x = 27,279 × 27,279
4. Step 4: Simplify right side
   17,488.50x = 744,143,841
5. Step 5: Solve for x
   x = 744,143,841/17,488.50
6. Step 6: Final answer
   x = 42,550.47