Finding the Third Proportional to 3,685.69 and 5,515.03

Step by Step Solution

1. Step 1: Write the proportion equation
   3,685.69 : 5,515.03 = 5,515.03 : x
2. Step 2: Convert to fraction form
   3,685.69/5,515.03 = 5,515.03/x
3. Step 3: Cross multiply
   3,685.69x = 5,515.03 × 5,515.03
4. Step 4: Simplify right side
   3,685.69x = 30,415,569.69
5. Step 5: Solve for x
   x = 30,415,569.69/3,685.69
6. Step 6: Final answer
   x = 8,252.35