Finding the Third Proportional to 609 and 1,320.52

Step by Step Solution

1. Step 1: Write the proportion equation
   609 : 1,320.52 = 1,320.52 : x
2. Step 2: Convert to fraction form
   609/1,320.52 = 1,320.52/x
3. Step 3: Cross multiply
   609x = 1,320.52 × 1,320.52
4. Step 4: Simplify right side
   609x = 1,743,761.52
5. Step 5: Solve for x
   x = 1,743,761.52/609
6. Step 6: Final answer
   x = 2,863.32