Finding the Third Proportional to 291,222 and 596,556

Step by Step Solution

1. Step 1: Write the proportion equation
   291,222 : 596,556 = 596,556 : x
2. Step 2: Convert to fraction form
   291,222/596,556 = 596,556/x
3. Step 3: Cross multiply
   291,222x = 596,556 × 596,556
4. Step 4: Simplify right side
   291,222x = 355,879,061,136
5. Step 5: Solve for x
   x = 355,879,061,136/291,222
6. Step 6: Final answer
   x = 1,222,019.84