Finding the Third Proportional to 8,031,609 and 12,065,049

Step by Step Solution

1. Step 1: Write the proportion equation
   8,031,609 : 12,065,049 = 12,065,049 : x
2. Step 2: Convert to fraction form
   8,031,609/12,065,049 = 12,065,049/x
3. Step 3: Cross multiply
   8,031,609x = 12,065,049 × 12,065,049
4. Step 4: Simplify right side
   8,031,609x = 145,565,407,372,401
5. Step 5: Solve for x
   x = 145,565,407,372,401/8,031,609
6. Step 6: Final answer
   x = 18,124,065.47