Finding the Third Proportional to 9,240 and 13,871

Step by Step Solution

1. Step 1: Write the proportion equation
   9,240 : 13,871 = 13,871 : x
2. Step 2: Convert to fraction form
   9,240/13,871 = 13,871/x
3. Step 3: Cross multiply
   9,240x = 13,871 × 13,871
4. Step 4: Simplify right side
   9,240x = 192,404,641
5. Step 5: Solve for x
   x = 192,404,641/9,240
6. Step 6: Final answer
   x = 20,823.01