Finding the Third Proportional to 12,071 and 16,243

Step by Step Solution

1. Step 1: Write the proportion equation
   12,071 : 16,243 = 16,243 : x
2. Step 2: Convert to fraction form
   12,071/16,243 = 16,243/x
3. Step 3: Cross multiply
   12,071x = 16,243 × 16,243
4. Step 4: Simplify right side
   12,071x = 263,835,049
5. Step 5: Solve for x
   x = 263,835,049/12,071
6. Step 6: Final answer
   x = 21,856.93