Finding the Third Proportional to 228,968 and 498,616

Step by Step Solution

1. Step 1: Write the proportion equation
   228,968 : 498,616 = 498,616 : x
2. Step 2: Convert to fraction form
   228,968/498,616 = 498,616/x
3. Step 3: Cross multiply
   228,968x = 498,616 × 498,616
4. Step 4: Simplify right side
   228,968x = 248,617,915,456
5. Step 5: Solve for x
   x = 248,617,915,456/228,968
6. Step 6: Final answer
   x = 1,085,819.48