Finding the Third Proportional to 231,800 and 498,262

Step by Step Solution

1. Step 1: Write the proportion equation
   231,800 : 498,262 = 498,262 : x
2. Step 2: Convert to fraction form
   231,800/498,262 = 498,262/x
3. Step 3: Cross multiply
   231,800x = 498,262 × 498,262
4. Step 4: Simplify right side
   231,800x = 248,265,020,644
5. Step 5: Solve for x
   x = 248,265,020,644/231,800
6. Step 6: Final answer
   x = 1,071,031.15