Finding the Third Proportional to 41,139 and 89,891

Step by Step Solution

1. Step 1: Write the proportion equation
   41,139 : 89,891 = 89,891 : x
2. Step 2: Convert to fraction form
   41,139/89,891 = 89,891/x
3. Step 3: Cross multiply
   41,139x = 89,891 × 89,891
4. Step 4: Simplify right side
   41,139x = 8,080,391,881
5. Step 5: Solve for x
   x = 8,080,391,881/41,139
6. Step 6: Final answer
   x = 196,416.83