Finding the Third Proportional to 13,934.53 and 19,960.17

Step by Step Solution

1. Step 1: Write the proportion equation
   13,934.53 : 19,960.17 = 19,960.17 : x
2. Step 2: Convert to fraction form
   13,934.53/19,960.17 = 19,960.17/x
3. Step 3: Cross multiply
   13,934.53x = 19,960.17 × 19,960.17
4. Step 4: Simplify right side
   13,934.53x = 398,408,461.28
5. Step 5: Solve for x
   x = 398,408,461.28/13,934.53
6. Step 6: Final answer
   x = 28,591.45