Finding the Third Proportional to 3,522.09 and 7,386.19

Step by Step Solution

1. Step 1: Write the proportion equation
   3,522.09 : 7,386.19 = 7,386.19 : x
2. Step 2: Convert to fraction form
   3,522.09/7,386.19 = 7,386.19/x
3. Step 3: Cross multiply
   3,522.09x = 7,386.19 × 7,386.19
4. Step 4: Simplify right side
   3,522.09x = 54,555,765.79
5. Step 5: Solve for x
   x = 54,555,765.79/3,522.09
6. Step 6: Final answer
   x = 15,489.58