Finding the Third Proportional to 1,499.29 and 3,286.91

Step by Step Solution

1. Step 1: Write the proportion equation
   1,499.29 : 3,286.91 = 3,286.91 : x
2. Step 2: Convert to fraction form
   1,499.29/3,286.91 = 3,286.91/x
3. Step 3: Cross multiply
   1,499.29x = 3,286.91 × 3,286.91
4. Step 4: Simplify right side
   1,499.29x = 10,803,759.12
5. Step 5: Solve for x
   x = 10,803,759.12/1,499.29
6. Step 6: Final answer
   x = 7,205.91