Finding the Third Proportional to 859.69 and 1,822.31

Step by Step Solution

1. Step 1: Write the proportion equation
   859.69 : 1,822.31 = 1,822.31 : x
2. Step 2: Convert to fraction form
   859.69/1,822.31 = 1,822.31/x
3. Step 3: Cross multiply
   859.69x = 1,822.31 × 1,822.31
4. Step 4: Simplify right side
   859.69x = 3,320,822.85
5. Step 5: Solve for x
   x = 3,320,822.85/859.69
6. Step 6: Final answer
   x = 3,862.83