Finding the Third Proportional to 9,950 and 21,266

Step by Step Solution

1. Step 1: Write the proportion equation
   9,950 : 21,266 = 21,266 : x
2. Step 2: Convert to fraction form
   9,950/21,266 = 21,266/x
3. Step 3: Cross multiply
   9,950x = 21,266 × 21,266
4. Step 4: Simplify right side
   9,950x = 452,242,756
5. Step 5: Solve for x
   x = 452,242,756/9,950
6. Step 6: Final answer
   x = 45,451.53