Finding the Third Proportional to 2,655.75 and 5,777.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,655.75 : 5,777.25 = 5,777.25 : x
2. Step 2: Convert to fraction form
   2,655.75/5,777.25 = 5,777.25/x
3. Step 3: Cross multiply
   2,655.75x = 5,777.25 × 5,777.25
4. Step 4: Simplify right side
   2,655.75x = 33,376,617.56
5. Step 5: Solve for x
   x = 33,376,617.56/2,655.75
6. Step 6: Final answer
   x = 12,567.68