Finding the Third Proportional to 1,396,476 and 2,135,310

Step by Step Solution

1. Step 1: Write the proportion equation
   1,396,476 : 2,135,310 = 2,135,310 : x
2. Step 2: Convert to fraction form
   1,396,476/2,135,310 = 2,135,310/x
3. Step 3: Cross multiply
   1,396,476x = 2,135,310 × 2,135,310
4. Step 4: Simplify right side
   1,396,476x = 4,559,548,796,100
5. Step 5: Solve for x
   x = 4,559,548,796,100/1,396,476
6. Step 6: Final answer
   x = 3,265,039.14