Finding the Third Proportional to 27,078.75 and 56,616.75

Step by Step Solution

1. Step 1: Write the proportion equation
   27,078.75 : 56,616.75 = 56,616.75 : x
2. Step 2: Convert to fraction form
   27,078.75/56,616.75 = 56,616.75/x
3. Step 3: Cross multiply
   27,078.75x = 56,616.75 × 56,616.75
4. Step 4: Simplify right side
   27,078.75x = 3,205,456,380.56
5. Step 5: Solve for x
   x = 3,205,456,380.56/27,078.75
6. Step 6: Final answer
   x = 118,375.35