Finding the Third Proportional to 13,581.02 and 19,965.17

Step by Step Solution

1. Step 1: Write the proportion equation
   13,581.02 : 19,965.17 = 19,965.17 : x
2. Step 2: Convert to fraction form
   13,581.02/19,965.17 = 19,965.17/x
3. Step 3: Cross multiply
   13,581.02x = 19,965.17 × 19,965.17
4. Step 4: Simplify right side
   13,581.02x = 398,607,943.29
5. Step 5: Solve for x
   x = 398,607,943.29/13,581.02
6. Step 6: Final answer
   x = 29,350.37