Finding the Third Proportional to 3,726.56 and 5,222.81

Step by Step Solution

1. Step 1: Write the proportion equation
   3,726.56 : 5,222.81 = 5,222.81 : x
2. Step 2: Convert to fraction form
   3,726.56/5,222.81 = 5,222.81/x
3. Step 3: Cross multiply
   3,726.56x = 5,222.81 × 5,222.81
4. Step 4: Simplify right side
   3,726.56x = 27,277,770.41
5. Step 5: Solve for x
   x = 27,277,770.41/3,726.56
6. Step 6: Final answer
   x = 7,319.82