Finding the Third Proportional to 21,195 and 41,856.75

Step by Step Solution

1. Step 1: Write the proportion equation
   21,195 : 41,856.75 = 41,856.75 : x
2. Step 2: Convert to fraction form
   21,195/41,856.75 = 41,856.75/x
3. Step 3: Cross multiply
   21,195x = 41,856.75 × 41,856.75
4. Step 4: Simplify right side
   21,195x = 1,751,987,520.56
5. Step 5: Solve for x
   x = 1,751,987,520.56/21,195
6. Step 6: Final answer
   x = 82,660.42