Finding the Third Proportional to 3,587.25 and 5,380.69

Step by Step Solution

1. Step 1: Write the proportion equation
   3,587.25 : 5,380.69 = 5,380.69 : x
2. Step 2: Convert to fraction form
   3,587.25/5,380.69 = 5,380.69/x
3. Step 3: Cross multiply
   3,587.25x = 5,380.69 × 5,380.69
4. Step 4: Simplify right side
   3,587.25x = 28,951,797.97
5. Step 5: Solve for x
   x = 28,951,797.97/3,587.25
6. Step 6: Final answer
   x = 8,070.75