Finding the Third Proportional to 10,055 and 21,811

Step by Step Solution

1. Step 1: Write the proportion equation
   10,055 : 21,811 = 21,811 : x
2. Step 2: Convert to fraction form
   10,055/21,811 = 21,811/x
3. Step 3: Cross multiply
   10,055x = 21,811 × 21,811
4. Step 4: Simplify right side
   10,055x = 475,719,721
5. Step 5: Solve for x
   x = 475,719,721/10,055
6. Step 6: Final answer
   x = 47,311.76