Finding the Third Proportional to 1,396,426 and 2,135,259

Step by Step Solution

1. Step 1: Write the proportion equation
   1,396,426 : 2,135,259 = 2,135,259 : x
2. Step 2: Convert to fraction form
   1,396,426/2,135,259 = 2,135,259/x
3. Step 3: Cross multiply
   1,396,426x = 2,135,259 × 2,135,259
4. Step 4: Simplify right side
   1,396,426x = 4,559,330,997,081
5. Step 5: Solve for x
   x = 4,559,330,997,081/1,396,426
6. Step 6: Final answer
   x = 3,265,000.08