Finding the Third Proportional to 3,231.56 and 3,528.56

Step by Step Solution

1. Step 1: Write the proportion equation
   3,231.56 : 3,528.56 = 3,528.56 : x
2. Step 2: Convert to fraction form
   3,231.56/3,528.56 = 3,528.56/x
3. Step 3: Cross multiply
   3,231.56x = 3,528.56 × 3,528.56
4. Step 4: Simplify right side
   3,231.56x = 12,450,753.32
5. Step 5: Solve for x
   x = 12,450,753.32/3,231.56
6. Step 6: Final answer
   x = 3,852.86