Finding the Third Proportional to 3,908.25 and 7,976.25

Step by Step Solution

1. Step 1: Write the proportion equation
   3,908.25 : 7,976.25 = 7,976.25 : x
2. Step 2: Convert to fraction form
   3,908.25/7,976.25 = 7,976.25/x
3. Step 3: Cross multiply
   3,908.25x = 7,976.25 × 7,976.25
4. Step 4: Simplify right side
   3,908.25x = 63,620,564.06
5. Step 5: Solve for x
   x = 63,620,564.06/3,908.25
6. Step 6: Final answer
   x = 16,278.53