Finding the Third Proportional to 1,407,019 and 2,863,720

Step by Step Solution

1. Step 1: Write the proportion equation
   1,407,019 : 2,863,720 = 2,863,720 : x
2. Step 2: Convert to fraction form
   1,407,019/2,863,720 = 2,863,720/x
3. Step 3: Cross multiply
   1,407,019x = 2,863,720 × 2,863,720
4. Step 4: Simplify right side
   1,407,019x = 8,200,892,238,400
5. Step 5: Solve for x
   x = 8,200,892,238,400/1,407,019
6. Step 6: Final answer
   x = 5,828,558.28