Finding the Third Proportional to 235,668 and 498,630

Step by Step Solution

1. Step 1: Write the proportion equation
   235,668 : 498,630 = 498,630 : x
2. Step 2: Convert to fraction form
   235,668/498,630 = 498,630/x
3. Step 3: Cross multiply
   235,668x = 498,630 × 498,630
4. Step 4: Simplify right side
   235,668x = 248,631,876,900
5. Step 5: Solve for x
   x = 248,631,876,900/235,668
6. Step 6: Final answer
   x = 1,055,009.07