Finding the Third Proportional to 1,347.38 and 2,163.56

Step by Step Solution

1. Step 1: Write the proportion equation
   1,347.38 : 2,163.56 = 2,163.56 : x
2. Step 2: Convert to fraction form
   1,347.38/2,163.56 = 2,163.56/x
3. Step 3: Cross multiply
   1,347.38x = 2,163.56 × 2,163.56
4. Step 4: Simplify right side
   1,347.38x = 4,681,002.69
5. Step 5: Solve for x
   x = 4,681,002.69/1,347.38
6. Step 6: Final answer
   x = 3,474.16