Finding the Third Proportional to 225,546 and 489,968

Step by Step Solution

1. Step 1: Write the proportion equation
   225,546 : 489,968 = 489,968 : x
2. Step 2: Convert to fraction form
   225,546/489,968 = 489,968/x
3. Step 3: Cross multiply
   225,546x = 489,968 × 489,968
4. Step 4: Simplify right side
   225,546x = 240,068,641,024
5. Step 5: Solve for x
   x = 240,068,641,024/225,546
6. Step 6: Final answer
   x = 1,064,388.82