Finding the Third Proportional to 2,560.50 and 5,613.19

Step by Step Solution

1. Step 1: Write the proportion equation
   2,560.50 : 5,613.19 = 5,613.19 : x
2. Step 2: Convert to fraction form
   2,560.50/5,613.19 = 5,613.19/x
3. Step 3: Cross multiply
   2,560.50x = 5,613.19 × 5,613.19
4. Step 4: Simplify right side
   2,560.50x = 31,507,873.91
5. Step 5: Solve for x
   x = 31,507,873.91/2,560.50
6. Step 6: Final answer
   x = 12,305.36