Finding the Third Proportional to 3,667.31 and 5,518.59

Step by Step Solution

1. Step 1: Write the proportion equation
   3,667.31 : 5,518.59 = 5,518.59 : x
2. Step 2: Convert to fraction form
   3,667.31/5,518.59 = 5,518.59/x
3. Step 3: Cross multiply
   3,667.31x = 5,518.59 × 5,518.59
4. Step 4: Simplify right side
   3,667.31x = 30,454,876.98
5. Step 5: Solve for x
   x = 30,454,876.98/3,667.31
6. Step 6: Final answer
   x = 8,304.41