Finding the Third Proportional to 7,960 and 10,340

Step by Step Solution

1. Step 1: Write the proportion equation
   7,960 : 10,340 = 10,340 : x
2. Step 2: Convert to fraction form
   7,960/10,340 = 10,340/x
3. Step 3: Cross multiply
   7,960x = 10,340 × 10,340
4. Step 4: Simplify right side
   7,960x = 106,915,600
5. Step 5: Solve for x
   x = 106,915,600/7,960
6. Step 6: Final answer
   x = 13,431.61