Finding the Third Proportional to 13,015.69 and 28,456.31

Step by Step Solution

1. Step 1: Write the proportion equation
   13,015.69 : 28,456.31 = 28,456.31 : x
2. Step 2: Convert to fraction form
   13,015.69/28,456.31 = 28,456.31/x
3. Step 3: Cross multiply
   13,015.69x = 28,456.31 × 28,456.31
4. Step 4: Simplify right side
   13,015.69x = 809,761,721.10
5. Step 5: Solve for x
   x = 809,761,721.10/13,015.69
6. Step 6: Final answer
   x = 62,214.29