Finding the Third Proportional to 1,399,609 and 2,099,049

Step by Step Solution

1. Step 1: Write the proportion equation
   1,399,609 : 2,099,049 = 2,099,049 : x
2. Step 2: Convert to fraction form
   1,399,609/2,099,049 = 2,099,049/x
3. Step 3: Cross multiply
   1,399,609x = 2,099,049 × 2,099,049
4. Step 4: Simplify right side
   1,399,609x = 4,406,006,704,401
5. Step 5: Solve for x
   x = 4,406,006,704,401/1,399,609
6. Step 6: Final answer
   x = 3,148,026.84