Finding the Third Proportional to 71,946 and 168,042

Step by Step Solution

1. Step 1: Write the proportion equation
   71,946 : 168,042 = 168,042 : x
2. Step 2: Convert to fraction form
   71,946/168,042 = 168,042/x
3. Step 3: Cross multiply
   71,946x = 168,042 × 168,042
4. Step 4: Simplify right side
   71,946x = 28,238,113,764
5. Step 5: Solve for x
   x = 28,238,113,764/71,946
6. Step 6: Final answer
   x = 392,490.39