Finding the Third Proportional to 11,216.81 and 24,608.81

Step by Step Solution

1. Step 1: Write the proportion equation
   11,216.81 : 24,608.81 = 24,608.81 : x
2. Step 2: Convert to fraction form
   11,216.81/24,608.81 = 24,608.81/x
3. Step 3: Cross multiply
   11,216.81x = 24,608.81 × 24,608.81
4. Step 4: Simplify right side
   11,216.81x = 605,593,652.66
5. Step 5: Solve for x
   x = 605,593,652.66/11,216.81
6. Step 6: Final answer
   x = 53,989.82