Finding the Third Proportional to 146,762 and 321,556

Step by Step Solution

1. Step 1: Write the proportion equation
   146,762 : 321,556 = 321,556 : x
2. Step 2: Convert to fraction form
   146,762/321,556 = 321,556/x
3. Step 3: Cross multiply
   146,762x = 321,556 × 321,556
4. Step 4: Simplify right side
   146,762x = 103,398,261,136
5. Step 5: Solve for x
   x = 103,398,261,136/146,762
6. Step 6: Final answer
   x = 704,530.20