Finding the Third Proportional to 3,240,921 and 7,065,006

Step by Step Solution

1. Step 1: Write the proportion equation
   3,240,921 : 7,065,006 = 7,065,006 : x
2. Step 2: Convert to fraction form
   3,240,921/7,065,006 = 7,065,006/x
3. Step 3: Cross multiply
   3,240,921x = 7,065,006 × 7,065,006
4. Step 4: Simplify right side
   3,240,921x = 49,914,309,780,036
5. Step 5: Solve for x
   x = 49,914,309,780,036/3,240,921
6. Step 6: Final answer
   x = 15,401,273.21