Finding the Third Proportional to 41,790 and 89,790

Step by Step Solution

1. Step 1: Write the proportion equation
   41,790 : 89,790 = 89,790 : x
2. Step 2: Convert to fraction form
   41,790/89,790 = 89,790/x
3. Step 3: Cross multiply
   41,790x = 89,790 × 89,790
4. Step 4: Simplify right side
   41,790x = 8,062,244,100
5. Step 5: Solve for x
   x = 8,062,244,100/41,790
6. Step 6: Final answer
   x = 192,922.81