Finding the Third Proportional to 162,514 and 251,142

Step by Step Solution

1. Step 1: Write the proportion equation
   162,514 : 251,142 = 251,142 : x
2. Step 2: Convert to fraction form
   162,514/251,142 = 251,142/x
3. Step 3: Cross multiply
   162,514x = 251,142 × 251,142
4. Step 4: Simplify right side
   162,514x = 63,072,304,164
5. Step 5: Solve for x
   x = 63,072,304,164/162,514
6. Step 6: Final answer
   x = 388,103.82