Finding the Third Proportional to 162,783 and 338,042

Step by Step Solution

1. Step 1: Write the proportion equation
   162,783 : 338,042 = 338,042 : x
2. Step 2: Convert to fraction form
   162,783/338,042 = 338,042/x
3. Step 3: Cross multiply
   162,783x = 338,042 × 338,042
4. Step 4: Simplify right side
   162,783x = 114,272,393,764
5. Step 5: Solve for x
   x = 114,272,393,764/162,783
6. Step 6: Final answer
   x = 701,992.18