Finding the Third Proportional to 25,393.75 and 54,689.69

Step by Step Solution

1. Step 1: Write the proportion equation
   25,393.75 : 54,689.69 = 54,689.69 : x
2. Step 2: Convert to fraction form
   25,393.75/54,689.69 = 54,689.69/x
3. Step 3: Cross multiply
   25,393.75x = 54,689.69 × 54,689.69
4. Step 4: Simplify right side
   25,393.75x = 2,990,961,918.85
5. Step 5: Solve for x
   x = 2,990,961,918.85/25,393.75
6. Step 6: Final answer
   x = 117,783.39