Finding the Third Proportional to 1,420,320 and 1,919,568

Step by Step Solution

1. Step 1: Write the proportion equation
   1,420,320 : 1,919,568 = 1,919,568 : x
2. Step 2: Convert to fraction form
   1,420,320/1,919,568 = 1,919,568/x
3. Step 3: Cross multiply
   1,420,320x = 1,919,568 × 1,919,568
4. Step 4: Simplify right side
   1,420,320x = 3,684,741,306,624
5. Step 5: Solve for x
   x = 3,684,741,306,624/1,420,320
6. Step 6: Final answer
   x = 2,594,303.61