Finding the Third Proportional to 225,352 and 489,944

Step by Step Solution

1. Step 1: Write the proportion equation
   225,352 : 489,944 = 489,944 : x
2. Step 2: Convert to fraction form
   225,352/489,944 = 489,944/x
3. Step 3: Cross multiply
   225,352x = 489,944 × 489,944
4. Step 4: Simplify right side
   225,352x = 240,045,123,136
5. Step 5: Solve for x
   x = 240,045,123,136/225,352
6. Step 6: Final answer
   x = 1,065,200.77