Finding the Third Proportional to 2,718.56 and 5,770.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,718.56 : 5,770.30 = 5,770.30 : x
2. Step 2: Convert to fraction form
   2,718.56/5,770.30 = 5,770.30/x
3. Step 3: Cross multiply
   2,718.56x = 5,770.30 × 5,770.30
4. Step 4: Simplify right side
   2,718.56x = 33,296,371.11
5. Step 5: Solve for x
   x = 33,296,371.11/2,718.56
6. Step 6: Final answer
   x = 12,247.79