Finding the Third Proportional to 41,879 and 91,145

Step by Step Solution

1. Step 1: Write the proportion equation
   41,879 : 91,145 = 91,145 : x
2. Step 2: Convert to fraction form
   41,879/91,145 = 91,145/x
3. Step 3: Cross multiply
   41,879x = 91,145 × 91,145
4. Step 4: Simplify right side
   41,879x = 8,307,411,025
5. Step 5: Solve for x
   x = 8,307,411,025/41,879
6. Step 6: Final answer
   x = 198,366.99