Finding the Third Proportional to 89,282 and 195,556

Step by Step Solution

1. Step 1: Write the proportion equation
   89,282 : 195,556 = 195,556 : x
2. Step 2: Convert to fraction form
   89,282/195,556 = 195,556/x
3. Step 3: Cross multiply
   89,282x = 195,556 × 195,556
4. Step 4: Simplify right side
   89,282x = 38,242,149,136
5. Step 5: Solve for x
   x = 38,242,149,136/89,282
6. Step 6: Final answer
   x = 428,329.89