Finding the Third Proportional to 5,757.38 and 8,446.88

Step by Step Solution

1. Step 1: Write the proportion equation
   5,757.38 : 8,446.88 = 8,446.88 : x
2. Step 2: Convert to fraction form
   5,757.38/8,446.88 = 8,446.88/x
3. Step 3: Cross multiply
   5,757.38x = 8,446.88 × 8,446.88
4. Step 4: Simplify right side
   5,757.38x = 71,349,697.27
5. Step 5: Solve for x
   x = 71,349,697.27/5,757.38
6. Step 6: Final answer
   x = 12,392.75