Finding the Third Proportional to 1,517,911 and 3,288,049

Step by Step Solution

1. Step 1: Write the proportion equation
   1,517,911 : 3,288,049 = 3,288,049 : x
2. Step 2: Convert to fraction form
   1,517,911/3,288,049 = 3,288,049/x
3. Step 3: Cross multiply
   1,517,911x = 3,288,049 × 3,288,049
4. Step 4: Simplify right side
   1,517,911x = 10,811,266,226,401
5. Step 5: Solve for x
   x = 10,811,266,226,401/1,517,911
6. Step 6: Final answer
   x = 7,122,463.85