Finding the Third Proportional to 72,672 and 160,872

Step by Step Solution

1. Step 1: Write the proportion equation
   72,672 : 160,872 = 160,872 : x
2. Step 2: Convert to fraction form
   72,672/160,872 = 160,872/x
3. Step 3: Cross multiply
   72,672x = 160,872 × 160,872
4. Step 4: Simplify right side
   72,672x = 25,879,800,384
5. Step 5: Solve for x
   x = 25,879,800,384/72,672
6. Step 6: Final answer
   x = 356,117.90