Finding the Third Proportional to 27,728 and 59,760

Step by Step Solution

1. Step 1: Write the proportion equation
   27,728 : 59,760 = 59,760 : x
2. Step 2: Convert to fraction form
   27,728/59,760 = 59,760/x
3. Step 3: Cross multiply
   27,728x = 59,760 × 59,760
4. Step 4: Simplify right side
   27,728x = 3,571,257,600
5. Step 5: Solve for x
   x = 3,571,257,600/27,728
6. Step 6: Final answer
   x = 128,796.08