Finding the Third Proportional to 21,687.75 and 26,183.25

Step by Step Solution

1. Step 1: Write the proportion equation
   21,687.75 : 26,183.25 = 26,183.25 : x
2. Step 2: Convert to fraction form
   21,687.75/26,183.25 = 26,183.25/x
3. Step 3: Cross multiply
   21,687.75x = 26,183.25 × 26,183.25
4. Step 4: Simplify right side
   21,687.75x = 685,562,580.56
5. Step 5: Solve for x
   x = 685,562,580.56/21,687.75
6. Step 6: Final answer
   x = 31,610.59