Finding the Third Proportional to 3,160.69 and 3,717.56

Step by Step Solution

1. Step 1: Write the proportion equation
   3,160.69 : 3,717.56 = 3,717.56 : x
2. Step 2: Convert to fraction form
   3,160.69/3,717.56 = 3,717.56/x
3. Step 3: Cross multiply
   3,160.69x = 3,717.56 × 3,717.56
4. Step 4: Simplify right side
   3,160.69x = 13,820,270.94
5. Step 5: Solve for x
   x = 13,820,270.94/3,160.69
6. Step 6: Final answer
   x = 4,372.55