Finding the Third Proportional to 859,442 and 1,789,487

Step by Step Solution

1. Step 1: Write the proportion equation
   859,442 : 1,789,487 = 1,789,487 : x
2. Step 2: Convert to fraction form
   859,442/1,789,487 = 1,789,487/x
3. Step 3: Cross multiply
   859,442x = 1,789,487 × 1,789,487
4. Step 4: Simplify right side
   859,442x = 3,202,263,723,169
5. Step 5: Solve for x
   x = 3,202,263,723,169/859,442
6. Step 6: Final answer
   x = 3,725,980.02