Finding the Third Proportional to 5,337.56 and 7,976.81

Step by Step Solution

1. Step 1: Write the proportion equation
   5,337.56 : 7,976.81 = 7,976.81 : x
2. Step 2: Convert to fraction form
   5,337.56/7,976.81 = 7,976.81/x
3. Step 3: Cross multiply
   5,337.56x = 7,976.81 × 7,976.81
4. Step 4: Simplify right side
   5,337.56x = 63,629,537.66
5. Step 5: Solve for x
   x = 63,629,537.66/5,337.56
6. Step 6: Final answer
   x = 11,921.09