Finding the Third Proportional to 231,510 and 491,442

Step by Step Solution

1. Step 1: Write the proportion equation
   231,510 : 491,442 = 491,442 : x
2. Step 2: Convert to fraction form
   231,510/491,442 = 491,442/x
3. Step 3: Cross multiply
   231,510x = 491,442 × 491,442
4. Step 4: Simplify right side
   231,510x = 241,515,239,364
5. Step 5: Solve for x
   x = 241,515,239,364/231,510
6. Step 6: Final answer
   x = 1,043,217.31