Finding the Third Proportional to 230,240 and 498,306

Step by Step Solution

1. Step 1: Write the proportion equation
   230,240 : 498,306 = 498,306 : x
2. Step 2: Convert to fraction form
   230,240/498,306 = 498,306/x
3. Step 3: Cross multiply
   230,240x = 498,306 × 498,306
4. Step 4: Simplify right side
   230,240x = 248,308,869,636
5. Step 5: Solve for x
   x = 248,308,869,636/230,240
6. Step 6: Final answer
   x = 1,078,478.41