Finding the Third Proportional to 13,105.13 and 19,718.44

Step by Step Solution

1. Step 1: Write the proportion equation
   13,105.13 : 19,718.44 = 19,718.44 : x
2. Step 2: Convert to fraction form
   13,105.13/19,718.44 = 19,718.44/x
3. Step 3: Cross multiply
   13,105.13x = 19,718.44 × 19,718.44
4. Step 4: Simplify right side
   13,105.13x = 388,816,777.44
5. Step 5: Solve for x
   x = 388,816,777.44/13,105.13
6. Step 6: Final answer
   x = 29,669.06