Finding the Third Proportional to 231,838 and 494,300

Step by Step Solution

1. Step 1: Write the proportion equation
   231,838 : 494,300 = 494,300 : x
2. Step 2: Convert to fraction form
   231,838/494,300 = 494,300/x
3. Step 3: Cross multiply
   231,838x = 494,300 × 494,300
4. Step 4: Simplify right side
   231,838x = 244,332,490,000
5. Step 5: Solve for x
   x = 244,332,490,000/231,838
6. Step 6: Final answer
   x = 1,053,893.19