Finding the Third Proportional to 3,951.75 and 5,917.31

Step by Step Solution

1. Step 1: Write the proportion equation
   3,951.75 : 5,917.31 = 5,917.31 : x
2. Step 2: Convert to fraction form
   3,951.75/5,917.31 = 5,917.31/x
3. Step 3: Cross multiply
   3,951.75x = 5,917.31 × 5,917.31
4. Step 4: Simplify right side
   3,951.75x = 35,014,587.22
5. Step 5: Solve for x
   x = 35,014,587.22/3,951.75
6. Step 6: Final answer
   x = 8,860.53