Finding the Third Proportional to 41,772 and 90,906

Step by Step Solution

1. Step 1: Write the proportion equation
   41,772 : 90,906 = 90,906 : x
2. Step 2: Convert to fraction form
   41,772/90,906 = 90,906/x
3. Step 3: Cross multiply
   41,772x = 90,906 × 90,906
4. Step 4: Simplify right side
   41,772x = 8,263,900,836
5. Step 5: Solve for x
   x = 8,263,900,836/41,772
6. Step 6: Final answer
   x = 197,833.50