Finding the Third Proportional to 236,472 and 489,774

Step by Step Solution

1. Step 1: Write the proportion equation
   236,472 : 489,774 = 489,774 : x
2. Step 2: Convert to fraction form
   236,472/489,774 = 489,774/x
3. Step 3: Cross multiply
   236,472x = 489,774 × 489,774
4. Step 4: Simplify right side
   236,472x = 239,878,571,076
5. Step 5: Solve for x
   x = 239,878,571,076/236,472
6. Step 6: Final answer
   x = 1,014,405.81