Finding the Third Proportional to 13,721.06 and 20,058.47

Step by Step Solution

1. Step 1: Write the proportion equation
   13,721.06 : 20,058.47 = 20,058.47 : x
2. Step 2: Convert to fraction form
   13,721.06/20,058.47 = 20,058.47/x
3. Step 3: Cross multiply
   13,721.06x = 20,058.47 × 20,058.47
4. Step 4: Simplify right side
   13,721.06x = 402,342,168.59
5. Step 5: Solve for x
   x = 402,342,168.59/13,721.06
6. Step 6: Final answer
   x = 29,322.96