Finding the Third Proportional to 10,695.80 and 19,717.17

Step by Step Solution

1. Step 1: Write the proportion equation
   10,695.80 : 19,717.17 = 19,717.17 : x
2. Step 2: Convert to fraction form
   10,695.80/19,717.17 = 19,717.17/x
3. Step 3: Cross multiply
   10,695.80x = 19,717.17 × 19,717.17
4. Step 4: Simplify right side
   10,695.80x = 388,766,866.75
5. Step 5: Solve for x
   x = 388,766,866.75/10,695.80
6. Step 6: Final answer
   x = 36,347.63