Finding the Third Proportional to 80,307 and 169,656

Step by Step Solution

1. Step 1: Write the proportion equation
   80,307 : 169,656 = 169,656 : x
2. Step 2: Convert to fraction form
   80,307/169,656 = 169,656/x
3. Step 3: Cross multiply
   80,307x = 169,656 × 169,656
4. Step 4: Simplify right side
   80,307x = 28,783,158,336
5. Step 5: Solve for x
   x = 28,783,158,336/80,307
6. Step 6: Final answer
   x = 358,414.07