Finding the Third Proportional to 859,443 and 1,789,488

Step by Step Solution

1. Step 1: Write the proportion equation
   859,443 : 1,789,488 = 1,789,488 : x
2. Step 2: Convert to fraction form
   859,443/1,789,488 = 1,789,488/x
3. Step 3: Cross multiply
   859,443x = 1,789,488 × 1,789,488
4. Step 4: Simplify right side
   859,443x = 3,202,267,302,144
5. Step 5: Solve for x
   x = 3,202,267,302,144/859,443
6. Step 6: Final answer
   x = 3,725,979.85