Finding the Third Proportional to 1,285,872 and 1,940,472

Step by Step Solution

1. Step 1: Write the proportion equation
   1,285,872 : 1,940,472 = 1,940,472 : x
2. Step 2: Convert to fraction form
   1,285,872/1,940,472 = 1,940,472/x
3. Step 3: Cross multiply
   1,285,872x = 1,940,472 × 1,940,472
4. Step 4: Simplify right side
   1,285,872x = 3,765,431,582,784
5. Step 5: Solve for x
   x = 3,765,431,582,784/1,285,872
6. Step 6: Final answer
   x = 2,928,309.80