Finding the Third Proportional to 1,396,746 and 2,135,730

Step by Step Solution

1. Step 1: Write the proportion equation
   1,396,746 : 2,135,730 = 2,135,730 : x
2. Step 2: Convert to fraction form
   1,396,746/2,135,730 = 2,135,730/x
3. Step 3: Cross multiply
   1,396,746x = 2,135,730 × 2,135,730
4. Step 4: Simplify right side
   1,396,746x = 4,561,342,632,900
5. Step 5: Solve for x
   x = 4,561,342,632,900/1,396,746
6. Step 6: Final answer
   x = 3,265,692.28