Finding the Third Proportional to 19,251 and 41,790

Step by Step Solution

1. Step 1: Write the proportion equation
   19,251 : 41,790 = 41,790 : x
2. Step 2: Convert to fraction form
   19,251/41,790 = 41,790/x
3. Step 3: Cross multiply
   19,251x = 41,790 × 41,790
4. Step 4: Simplify right side
   19,251x = 1,746,404,100
5. Step 5: Solve for x
   x = 1,746,404,100/19,251
6. Step 6: Final answer
   x = 90,717.58