Finding the Third Proportional to 80,930 and 171,904

Step by Step Solution

1. Step 1: Write the proportion equation
   80,930 : 171,904 = 171,904 : x
2. Step 2: Convert to fraction form
   80,930/171,904 = 171,904/x
3. Step 3: Cross multiply
   80,930x = 171,904 × 171,904
4. Step 4: Simplify right side
   80,930x = 29,550,985,216
5. Step 5: Solve for x
   x = 29,550,985,216/80,930
6. Step 6: Final answer
   x = 365,142.53