Finding the Third Proportional to 4,009,401 and 8,412,462

Step by Step Solution

1. Step 1: Write the proportion equation
   4,009,401 : 8,412,462 = 8,412,462 : x
2. Step 2: Convert to fraction form
   4,009,401/8,412,462 = 8,412,462/x
3. Step 3: Cross multiply
   4,009,401x = 8,412,462 × 8,412,462
4. Step 4: Simplify right side
   4,009,401x = 70,769,516,901,444
5. Step 5: Solve for x
   x = 70,769,516,901,444/4,009,401
6. Step 6: Final answer
   x = 17,650,895.21