Finding the Third Proportional to 13,721.91 and 28,324.69

Step by Step Solution

1. Step 1: Write the proportion equation
   13,721.91 : 28,324.69 = 28,324.69 : x
2. Step 2: Convert to fraction form
   13,721.91/28,324.69 = 28,324.69/x
3. Step 3: Cross multiply
   13,721.91x = 28,324.69 × 28,324.69
4. Step 4: Simplify right side
   13,721.91x = 802,287,921.97
5. Step 5: Solve for x
   x = 802,287,921.97/13,721.91
6. Step 6: Final answer
   x = 58,467.67