Finding the Third Proportional to 1,514.81 and 2,279.81

Step by Step Solution

1. Step 1: Write the proportion equation
   1,514.81 : 2,279.81 = 2,279.81 : x
2. Step 2: Convert to fraction form
   1,514.81/2,279.81 = 2,279.81/x
3. Step 3: Cross multiply
   1,514.81x = 2,279.81 × 2,279.81
4. Step 4: Simplify right side
   1,514.81x = 5,197,545.04
5. Step 5: Solve for x
   x = 5,197,545.04/1,514.81
6. Step 6: Final answer
   x = 3,431.15