Finding the Third Proportional to 5,591.25 and 10,379.25

Step by Step Solution

1. Step 1: Write the proportion equation
   5,591.25 : 10,379.25 = 10,379.25 : x
2. Step 2: Convert to fraction form
   5,591.25/10,379.25 = 10,379.25/x
3. Step 3: Cross multiply
   5,591.25x = 10,379.25 × 10,379.25
4. Step 4: Simplify right side
   5,591.25x = 107,728,830.56
5. Step 5: Solve for x
   x = 107,728,830.56/5,591.25
6. Step 6: Final answer
   x = 19,267.40