Finding the Third Proportional to 41,920 and 89,672

Step by Step Solution

1. Step 1: Write the proportion equation
   41,920 : 89,672 = 89,672 : x
2. Step 2: Convert to fraction form
   41,920/89,672 = 89,672/x
3. Step 3: Cross multiply
   41,920x = 89,672 × 89,672
4. Step 4: Simplify right side
   41,920x = 8,041,067,584
5. Step 5: Solve for x
   x = 8,041,067,584/41,920
6. Step 6: Final answer
   x = 191,819.36