Finding the Third Proportional to 1,396,395 and 2,135,205

Step by Step Solution

1. Step 1: Write the proportion equation
   1,396,395 : 2,135,205 = 2,135,205 : x
2. Step 2: Convert to fraction form
   1,396,395/2,135,205 = 2,135,205/x
3. Step 3: Cross multiply
   1,396,395x = 2,135,205 × 2,135,205
4. Step 4: Simplify right side
   1,396,395x = 4,559,100,392,025
5. Step 5: Solve for x
   x = 4,559,100,392,025/1,396,395
6. Step 6: Final answer
   x = 3,264,907.42