Finding the Third Proportional to 2,078.50 and 3,345

Step by Step Solution

1. Step 1: Write the proportion equation
   2,078.50 : 3,345 = 3,345 : x
2. Step 2: Convert to fraction form
   2,078.50/3,345 = 3,345/x
3. Step 3: Cross multiply
   2,078.50x = 3,345 × 3,345
4. Step 4: Simplify right side
   2,078.50x = 11,189,025
5. Step 5: Solve for x
   x = 11,189,025/2,078.50
6. Step 6: Final answer
   x = 5,383.22