Finding the Third Proportional to 7,680 and 10,116

Step by Step Solution

1. Step 1: Write the proportion equation
   7,680 : 10,116 = 10,116 : x
2. Step 2: Convert to fraction form
   7,680/10,116 = 10,116/x
3. Step 3: Cross multiply
   7,680x = 10,116 × 10,116
4. Step 4: Simplify right side
   7,680x = 102,333,456
5. Step 5: Solve for x
   x = 102,333,456/7,680
6. Step 6: Final answer
   x = 13,324.67