Finding the Third Proportional to 5,558.38 and 8,317.94

Step by Step Solution

1. Step 1: Write the proportion equation
   5,558.38 : 8,317.94 = 8,317.94 : x
2. Step 2: Convert to fraction form
   5,558.38/8,317.94 = 8,317.94/x
3. Step 3: Cross multiply
   5,558.38x = 8,317.94 × 8,317.94
4. Step 4: Simplify right side
   5,558.38x = 69,188,084.25
5. Step 5: Solve for x
   x = 69,188,084.25/5,558.38
6. Step 6: Final answer
   x = 12,447.54