Finding the Third Proportional to 3,133.69 and 7,419.09

Step by Step Solution

1. Step 1: Write the proportion equation
   3,133.69 : 7,419.09 = 7,419.09 : x
2. Step 2: Convert to fraction form
   3,133.69/7,419.09 = 7,419.09/x
3. Step 3: Cross multiply
   3,133.69x = 7,419.09 × 7,419.09
4. Step 4: Simplify right side
   3,133.69x = 55,042,952.07
5. Step 5: Solve for x
   x = 55,042,952.07/3,133.69
6. Step 6: Final answer
   x = 17,564.91