Finding the Third Proportional to 21,864.75 and 31,936.50

Step by Step Solution

1. Step 1: Write the proportion equation
   21,864.75 : 31,936.50 = 31,936.50 : x
2. Step 2: Convert to fraction form
   21,864.75/31,936.50 = 31,936.50/x
3. Step 3: Cross multiply
   21,864.75x = 31,936.50 × 31,936.50
4. Step 4: Simplify right side
   21,864.75x = 1,019,940,032.25
5. Step 5: Solve for x
   x = 1,019,940,032.25/21,864.75
6. Step 6: Final answer
   x = 46,647.69