Finding the Third Proportional to 3,349.69 and 7,156.69

Step by Step Solution

1. Step 1: Write the proportion equation
   3,349.69 : 7,156.69 = 7,156.69 : x
2. Step 2: Convert to fraction form
   3,349.69/7,156.69 = 7,156.69/x
3. Step 3: Cross multiply
   3,349.69x = 7,156.69 × 7,156.69
4. Step 4: Simplify right side
   3,349.69x = 51,218,175.97
5. Step 5: Solve for x
   x = 51,218,175.97/3,349.69
6. Step 6: Final answer
   x = 15,290.43