Finding the Third Proportional to 2,612.39 and 5,700.80

Step by Step Solution

1. Step 1: Write the proportion equation
   2,612.39 : 5,700.80 = 5,700.80 : x
2. Step 2: Convert to fraction form
   2,612.39/5,700.80 = 5,700.80/x
3. Step 3: Cross multiply
   2,612.39x = 5,700.80 × 5,700.80
4. Step 4: Simplify right side
   2,612.39x = 32,499,085.01
5. Step 5: Solve for x
   x = 32,499,085.01/2,612.39
6. Step 6: Final answer
   x = 12,440.36