Finding the Third Proportional to 859,940 and 1,790,456

Step by Step Solution

1. Step 1: Write the proportion equation
   859,940 : 1,790,456 = 1,790,456 : x
2. Step 2: Convert to fraction form
   859,940/1,790,456 = 1,790,456/x
3. Step 3: Cross multiply
   859,940x = 1,790,456 × 1,790,456
4. Step 4: Simplify right side
   859,940x = 3,205,732,687,936
5. Step 5: Solve for x
   x = 3,205,732,687,936/859,940
6. Step 6: Final answer
   x = 3,727,856.23