Finding the Third Proportional to 9,687.94 and 13,712.25

Step by Step Solution

1. Step 1: Write the proportion equation
   9,687.94 : 13,712.25 = 13,712.25 : x
2. Step 2: Convert to fraction form
   9,687.94/13,712.25 = 13,712.25/x
3. Step 3: Cross multiply
   9,687.94x = 13,712.25 × 13,712.25
4. Step 4: Simplify right side
   9,687.94x = 188,025,800.06
5. Step 5: Solve for x
   x = 188,025,800.06/9,687.94
6. Step 6: Final answer
   x = 19,408.24