Finding the Third Proportional to 79,885 and 173,863

Step by Step Solution

1. Step 1: Write the proportion equation
   79,885 : 173,863 = 173,863 : x
2. Step 2: Convert to fraction form
   79,885/173,863 = 173,863/x
3. Step 3: Cross multiply
   79,885x = 173,863 × 173,863
4. Step 4: Simplify right side
   79,885x = 30,228,342,769
5. Step 5: Solve for x
   x = 30,228,342,769/79,885
6. Step 6: Final answer
   x = 378,398.23