Finding the Third Proportional to 8,950 and 21,099

Step by Step Solution

1. Step 1: Write the proportion equation
   8,950 : 21,099 = 21,099 : x
2. Step 2: Convert to fraction form
   8,950/21,099 = 21,099/x
3. Step 3: Cross multiply
   8,950x = 21,099 × 21,099
4. Step 4: Simplify right side
   8,950x = 445,167,801
5. Step 5: Solve for x
   x = 445,167,801/8,950
6. Step 6: Final answer
   x = 49,739.42