Finding the Third Proportional to 21,240.75 and 49,608.75

Step by Step Solution

1. Step 1: Write the proportion equation
   21,240.75 : 49,608.75 = 49,608.75 : x
2. Step 2: Convert to fraction form
   21,240.75/49,608.75 = 49,608.75/x
3. Step 3: Cross multiply
   21,240.75x = 49,608.75 × 49,608.75
4. Step 4: Simplify right side
   21,240.75x = 2,461,028,076.56
5. Step 5: Solve for x
   x = 2,461,028,076.56/21,240.75
6. Step 6: Final answer
   x = 115,863.52