Finding the Third Proportional to 10,660 and 21,914

Step by Step Solution

1. Step 1: Write the proportion equation
   10,660 : 21,914 = 21,914 : x
2. Step 2: Convert to fraction form
   10,660/21,914 = 21,914/x
3. Step 3: Cross multiply
   10,660x = 21,914 × 21,914
4. Step 4: Simplify right side
   10,660x = 480,223,396
5. Step 5: Solve for x
   x = 480,223,396/10,660
6. Step 6: Final answer
   x = 45,049.10