Finding the Third Proportional to 25,404 and 55,866

Step by Step Solution

1. Step 1: Write the proportion equation
   25,404 : 55,866 = 55,866 : x
2. Step 2: Convert to fraction form
   25,404/55,866 = 55,866/x
3. Step 3: Cross multiply
   25,404x = 55,866 × 55,866
4. Step 4: Simplify right side
   25,404x = 3,121,009,956
5. Step 5: Solve for x
   x = 3,121,009,956/25,404
6. Step 6: Final answer
   x = 122,855.06