Finding the Third Proportional to 21,183.50 and 41,834.50

Step by Step Solution

1. Step 1: Write the proportion equation
   21,183.50 : 41,834.50 = 41,834.50 : x
2. Step 2: Convert to fraction form
   21,183.50/41,834.50 = 41,834.50/x
3. Step 3: Cross multiply
   21,183.50x = 41,834.50 × 41,834.50
4. Step 4: Simplify right side
   21,183.50x = 1,750,125,390.25
5. Step 5: Solve for x
   x = 1,750,125,390.25/21,183.50
6. Step 6: Final answer
   x = 82,617.39