Finding the Third Proportional to 2,132.58 and 3,290.20

Step by Step Solution

1. Step 1: Write the proportion equation
   2,132.58 : 3,290.20 = 3,290.20 : x
2. Step 2: Convert to fraction form
   2,132.58/3,290.20 = 3,290.20/x
3. Step 3: Cross multiply
   2,132.58x = 3,290.20 × 3,290.20
4. Step 4: Simplify right side
   2,132.58x = 10,825,436.60
5. Step 5: Solve for x
   x = 10,825,436.60/2,132.58
6. Step 6: Final answer
   x = 5,076.22