Finding the Third Proportional to 10,918.69 and 16,481.81

Step by Step Solution

1. Step 1: Write the proportion equation
   10,918.69 : 16,481.81 = 16,481.81 : x
2. Step 2: Convert to fraction form
   10,918.69/16,481.81 = 16,481.81/x
3. Step 3: Cross multiply
   10,918.69x = 16,481.81 × 16,481.81
4. Step 4: Simplify right side
   10,918.69x = 271,650,143.29
5. Step 5: Solve for x
   x = 271,650,143.29/10,918.69
6. Step 6: Final answer
   x = 24,879.38