Finding the Third Proportional to 21,336 and 49,839

Step by Step Solution

1. Step 1: Write the proportion equation
   21,336 : 49,839 = 49,839 : x
2. Step 2: Convert to fraction form
   21,336/49,839 = 49,839/x
3. Step 3: Cross multiply
   21,336x = 49,839 × 49,839
4. Step 4: Simplify right side
   21,336x = 2,483,925,921
5. Step 5: Solve for x
   x = 2,483,925,921/21,336
6. Step 6: Final answer
   x = 116,419.48