Finding the Third Proportional to 2,405,593 and 5,234,666

Step by Step Solution

1. Step 1: Write the proportion equation
   2,405,593 : 5,234,666 = 5,234,666 : x
2. Step 2: Convert to fraction form
   2,405,593/5,234,666 = 5,234,666/x
3. Step 3: Cross multiply
   2,405,593x = 5,234,666 × 5,234,666
4. Step 4: Simplify right side
   2,405,593x = 27,401,728,131,556
5. Step 5: Solve for x
   x = 27,401,728,131,556/2,405,593
6. Step 6: Final answer
   x = 11,390,841.32