Finding the Third Proportional to 2,160.42 and 3,260.46

Step by Step Solution

1. Step 1: Write the proportion equation
   2,160.42 : 3,260.46 = 3,260.46 : x
2. Step 2: Convert to fraction form
   2,160.42/3,260.46 = 3,260.46/x
3. Step 3: Cross multiply
   2,160.42x = 3,260.46 × 3,260.46
4. Step 4: Simplify right side
   2,160.42x = 10,630,605.52
5. Step 5: Solve for x
   x = 10,630,605.52/2,160.42
6. Step 6: Final answer
   x = 4,920.62