Finding the Third Proportional to 10,131 and 14,871

Step by Step Solution

1. Step 1: Write the proportion equation
   10,131 : 14,871 = 14,871 : x
2. Step 2: Convert to fraction form
   10,131/14,871 = 14,871/x
3. Step 3: Cross multiply
   10,131x = 14,871 × 14,871
4. Step 4: Simplify right side
   10,131x = 221,146,641
5. Step 5: Solve for x
   x = 221,146,641/10,131
6. Step 6: Final answer
   x = 21,828.71