Finding the Third Proportional to 25,603.28 and 55,896.64

Step by Step Solution

1. Step 1: Write the proportion equation
   25,603.28 : 55,896.64 = 55,896.64 : x
2. Step 2: Convert to fraction form
   25,603.28/55,896.64 = 55,896.64/x
3. Step 3: Cross multiply
   25,603.28x = 55,896.64 × 55,896.64
4. Step 4: Simplify right side
   25,603.28x = 3,124,434,869.85
5. Step 5: Solve for x
   x = 3,124,434,869.85/25,603.28
6. Step 6: Final answer
   x = 122,032.61