Finding the Third Proportional to 25,117.57 and 54,178.77

Step by Step Solution

1. Step 1: Write the proportion equation
   25,117.57 : 54,178.77 = 54,178.77 : x
2. Step 2: Convert to fraction form
   25,117.57/54,178.77 = 54,178.77/x
3. Step 3: Cross multiply
   25,117.57x = 54,178.77 × 54,178.77
4. Step 4: Simplify right side
   25,117.57x = 2,935,339,067.92
5. Step 5: Solve for x
   x = 2,935,339,067.92/25,117.57
6. Step 6: Final answer
   x = 116,863.97