Finding the Third Proportional to 13,504.69 and 20,443.31

Step by Step Solution

1. Step 1: Write the proportion equation
   13,504.69 : 20,443.31 = 20,443.31 : x
2. Step 2: Convert to fraction form
   13,504.69/20,443.31 = 20,443.31/x
3. Step 3: Cross multiply
   13,504.69x = 20,443.31 × 20,443.31
4. Step 4: Simplify right side
   13,504.69x = 417,929,025.97
5. Step 5: Solve for x
   x = 417,929,025.97/13,504.69
6. Step 6: Final answer
   x = 30,946.96