Finding the Third Proportional to 1,036,399 and 2,242,556

Step by Step Solution

1. Step 1: Write the proportion equation
   1,036,399 : 2,242,556 = 2,242,556 : x
2. Step 2: Convert to fraction form
   1,036,399/2,242,556 = 2,242,556/x
3. Step 3: Cross multiply
   1,036,399x = 2,242,556 × 2,242,556
4. Step 4: Simplify right side
   1,036,399x = 5,029,057,413,136
5. Step 5: Solve for x
   x = 5,029,057,413,136/1,036,399
6. Step 6: Final answer
   x = 4,852,433.68