Finding the Third Proportional to 41,138 and 90,133

Step by Step Solution

1. Step 1: Write the proportion equation
   41,138 : 90,133 = 90,133 : x
2. Step 2: Convert to fraction form
   41,138/90,133 = 90,133/x
3. Step 3: Cross multiply
   41,138x = 90,133 × 90,133
4. Step 4: Simplify right side
   41,138x = 8,123,957,689
5. Step 5: Solve for x
   x = 8,123,957,689/41,138
6. Step 6: Final answer
   x = 197,480.62