Finding the Third Proportional to 2,181 and 3,089.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,181 : 3,089.25 = 3,089.25 : x
2. Step 2: Convert to fraction form
   2,181/3,089.25 = 3,089.25/x
3. Step 3: Cross multiply
   2,181x = 3,089.25 × 3,089.25
4. Step 4: Simplify right side
   2,181x = 9,543,465.56
5. Step 5: Solve for x
   x = 9,543,465.56/2,181
6. Step 6: Final answer
   x = 4,375.73