Finding the Third Proportional to 25,578.28 and 55,530.56

Step by Step Solution

1. Step 1: Write the proportion equation
   25,578.28 : 55,530.56 = 55,530.56 : x
2. Step 2: Convert to fraction form
   25,578.28/55,530.56 = 55,530.56/x
3. Step 3: Cross multiply
   25,578.28x = 55,530.56 × 55,530.56
4. Step 4: Simplify right side
   25,578.28x = 3,083,643,371.57
5. Step 5: Solve for x
   x = 3,083,643,371.57/25,578.28
6. Step 6: Final answer
   x = 120,557.10