Finding the Third Proportional to 2,543.91 and 5,655.94

Step by Step Solution

1. Step 1: Write the proportion equation
   2,543.91 : 5,655.94 = 5,655.94 : x
2. Step 2: Convert to fraction form
   2,543.91/5,655.94 = 5,655.94/x
3. Step 3: Cross multiply
   2,543.91x = 5,655.94 × 5,655.94
4. Step 4: Simplify right side
   2,543.91x = 31,989,629.00
5. Step 5: Solve for x
   x = 31,989,629.00/2,543.91
6. Step 6: Final answer
   x = 12,575.00