Finding the Third Proportional to 21,257.44 and 49,222.69

Step by Step Solution

1. Step 1: Write the proportion equation
   21,257.44 : 49,222.69 = 49,222.69 : x
2. Step 2: Convert to fraction form
   21,257.44/49,222.69 = 49,222.69/x
3. Step 3: Cross multiply
   21,257.44x = 49,222.69 × 49,222.69
4. Step 4: Simplify right side
   21,257.44x = 2,422,872,964.72
5. Step 5: Solve for x
   x = 2,422,872,964.72/21,257.44
6. Step 6: Final answer
   x = 113,977.66