Finding the Third Proportional to 9,837 and 21,238

Step by Step Solution

1. Step 1: Write the proportion equation
   9,837 : 21,238 = 21,238 : x
2. Step 2: Convert to fraction form
   9,837/21,238 = 21,238/x
3. Step 3: Cross multiply
   9,837x = 21,238 × 21,238
4. Step 4: Simplify right side
   9,837x = 451,052,644
5. Step 5: Solve for x
   x = 451,052,644/9,837
6. Step 6: Final answer
   x = 45,852.66