Finding the Third Proportional to 865.27 and 1,375.52

Step by Step Solution

1. Step 1: Write the proportion equation
   865.27 : 1,375.52 = 1,375.52 : x
2. Step 2: Convert to fraction form
   865.27/1,375.52 = 1,375.52/x
3. Step 3: Cross multiply
   865.27x = 1,375.52 × 1,375.52
4. Step 4: Simplify right side
   865.27x = 1,892,064.73
5. Step 5: Solve for x
   x = 1,892,064.73/865.27
6. Step 6: Final answer
   x = 2,186.69