Finding the Third Proportional to 13,812.75 and 21,243.38

Step by Step Solution

1. Step 1: Write the proportion equation
   13,812.75 : 21,243.38 = 21,243.38 : x
2. Step 2: Convert to fraction form
   13,812.75/21,243.38 = 21,243.38/x
3. Step 3: Cross multiply
   13,812.75x = 21,243.38 × 21,243.38
4. Step 4: Simplify right side
   13,812.75x = 451,280,981.39
5. Step 5: Solve for x
   x = 451,280,981.39/13,812.75
6. Step 6: Final answer
   x = 32,671.33