Finding the Third Proportional to 21,256 and 49,396

Step by Step Solution

1. Step 1: Write the proportion equation
   21,256 : 49,396 = 49,396 : x
2. Step 2: Convert to fraction form
   21,256/49,396 = 49,396/x
3. Step 3: Cross multiply
   21,256x = 49,396 × 49,396
4. Step 4: Simplify right side
   21,256x = 2,439,964,816
5. Step 5: Solve for x
   x = 2,439,964,816/21,256
6. Step 6: Final answer
   x = 114,789.46