Finding the Third Proportional to 1,330.88 and 3,089.25

Step by Step Solution

1. Step 1: Write the proportion equation
   1,330.88 : 3,089.25 = 3,089.25 : x
2. Step 2: Convert to fraction form
   1,330.88/3,089.25 = 3,089.25/x
3. Step 3: Cross multiply
   1,330.88x = 3,089.25 × 3,089.25
4. Step 4: Simplify right side
   1,330.88x = 9,543,465.56
5. Step 5: Solve for x
   x = 9,543,465.56/1,330.88
6. Step 6: Final answer
   x = 7,170.82