Finding the Third Proportional to 5,807.25 and 8,607.38

Step by Step Solution

1. Step 1: Write the proportion equation
   5,807.25 : 8,607.38 = 8,607.38 : x
2. Step 2: Convert to fraction form
   5,807.25/8,607.38 = 8,607.38/x
3. Step 3: Cross multiply
   5,807.25x = 8,607.38 × 8,607.38
4. Step 4: Simplify right side
   5,807.25x = 74,086,904.39
5. Step 5: Solve for x
   x = 74,086,904.39/5,807.25
6. Step 6: Final answer
   x = 12,757.66