Finding the Third Proportional to 13,943.25 and 20,945.75

Step by Step Solution

1. Step 1: Write the proportion equation
   13,943.25 : 20,945.75 = 20,945.75 : x
2. Step 2: Convert to fraction form
   13,943.25/20,945.75 = 20,945.75/x
3. Step 3: Cross multiply
   13,943.25x = 20,945.75 × 20,945.75
4. Step 4: Simplify right side
   13,943.25x = 438,724,443.06
5. Step 5: Solve for x
   x = 438,724,443.06/13,943.25
6. Step 6: Final answer
   x = 31,465.01