Finding the Third Proportional to 5,587.10 and 7,765.56

Step by Step Solution

1. Step 1: Write the proportion equation
   5,587.10 : 7,765.56 = 7,765.56 : x
2. Step 2: Convert to fraction form
   5,587.10/7,765.56 = 7,765.56/x
3. Step 3: Cross multiply
   5,587.10x = 7,765.56 × 7,765.56
4. Step 4: Simplify right side
   5,587.10x = 60,303,900.27
5. Step 5: Solve for x
   x = 60,303,900.27/5,587.10
6. Step 6: Final answer
   x = 10,793.41