Finding the Third Proportional to 2,518.31 and 5,514.19

Step by Step Solution

1. Step 1: Write the proportion equation
   2,518.31 : 5,514.19 = 5,514.19 : x
2. Step 2: Convert to fraction form
   2,518.31/5,514.19 = 5,514.19/x
3. Step 3: Cross multiply
   2,518.31x = 5,514.19 × 5,514.19
4. Step 4: Simplify right side
   2,518.31x = 30,406,263.79
5. Step 5: Solve for x
   x = 30,406,263.79/2,518.31
6. Step 6: Final answer
   x = 12,074.06