Finding the Third Proportional to 3,169.69 and 3,507.19

Step by Step Solution

1. Step 1: Write the proportion equation
   3,169.69 : 3,507.19 = 3,507.19 : x
2. Step 2: Convert to fraction form
   3,169.69/3,507.19 = 3,507.19/x
3. Step 3: Cross multiply
   3,169.69x = 3,507.19 × 3,507.19
4. Step 4: Simplify right side
   3,169.69x = 12,300,364.16
5. Step 5: Solve for x
   x = 12,300,364.16/3,169.69
6. Step 6: Final answer
   x = 3,880.62