Finding the Third Proportional to 1,285,908 and 1,940,520

Step by Step Solution

1. Step 1: Write the proportion equation
   1,285,908 : 1,940,520 = 1,940,520 : x
2. Step 2: Convert to fraction form
   1,285,908/1,940,520 = 1,940,520/x
3. Step 3: Cross multiply
   1,285,908x = 1,940,520 × 1,940,520
4. Step 4: Simplify right side
   1,285,908x = 3,765,617,870,400
5. Step 5: Solve for x
   x = 3,765,617,870,400/1,285,908
6. Step 6: Final answer
   x = 2,928,372.69