Finding the Third Proportional to 3,480.19 and 7,507.69

Step by Step Solution

1. Step 1: Write the proportion equation
   3,480.19 : 7,507.69 = 7,507.69 : x
2. Step 2: Convert to fraction form
   3,480.19/7,507.69 = 7,507.69/x
3. Step 3: Cross multiply
   3,480.19x = 7,507.69 × 7,507.69
4. Step 4: Simplify right side
   3,480.19x = 56,365,371.60
5. Step 5: Solve for x
   x = 56,365,371.60/3,480.19
6. Step 6: Final answer
   x = 16,196.07