Finding the Third Proportional to 2,335.13 and 3,520.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,335.13 : 3,520.31 = 3,520.31 : x
2. Step 2: Convert to fraction form
   2,335.13/3,520.31 = 3,520.31/x
3. Step 3: Cross multiply
   2,335.13x = 3,520.31 × 3,520.31
4. Step 4: Simplify right side
   2,335.13x = 12,392,600.10
5. Step 5: Solve for x
   x = 12,392,600.10/2,335.13
6. Step 6: Final answer
   x = 5,307.04