Finding the Third Proportional to 13,015.69 and 20,761.31

Step by Step Solution

1. Step 1: Write the proportion equation
   13,015.69 : 20,761.31 = 20,761.31 : x
2. Step 2: Convert to fraction form
   13,015.69/20,761.31 = 20,761.31/x
3. Step 3: Cross multiply
   13,015.69x = 20,761.31 × 20,761.31
4. Step 4: Simplify right side
   13,015.69x = 431,032,096.72
5. Step 5: Solve for x
   x = 431,032,096.72/13,015.69
6. Step 6: Final answer
   x = 33,116.35