Finding the Third Proportional to 859,467 and 1,821,384

Step by Step Solution

1. Step 1: Write the proportion equation
   859,467 : 1,821,384 = 1,821,384 : x
2. Step 2: Convert to fraction form
   859,467/1,821,384 = 1,821,384/x
3. Step 3: Cross multiply
   859,467x = 1,821,384 × 1,821,384
4. Step 4: Simplify right side
   859,467x = 3,317,439,675,456
5. Step 5: Solve for x
   x = 3,317,439,675,456/859,467
6. Step 6: Final answer
   x = 3,859,880.22