Finding the Third Proportional to 234,686 and 498,460

Step by Step Solution

1. Step 1: Write the proportion equation
   234,686 : 498,460 = 498,460 : x
2. Step 2: Convert to fraction form
   234,686/498,460 = 498,460/x
3. Step 3: Cross multiply
   234,686x = 498,460 × 498,460
4. Step 4: Simplify right side
   234,686x = 248,462,371,600
5. Step 5: Solve for x
   x = 248,462,371,600/234,686
6. Step 6: Final answer
   x = 1,058,701.29