Finding the Third Proportional to 2,644.23 and 5,807.47

Step by Step Solution

1. Step 1: Write the proportion equation
   2,644.23 : 5,807.47 = 5,807.47 : x
2. Step 2: Convert to fraction form
   2,644.23/5,807.47 = 5,807.47/x
3. Step 3: Cross multiply
   2,644.23x = 5,807.47 × 5,807.47
4. Step 4: Simplify right side
   2,644.23x = 33,726,691.86
5. Step 5: Solve for x
   x = 33,726,691.86/2,644.23
6. Step 6: Final answer
   x = 12,754.84