Finding the Third Proportional to 5,422.50 and 8,099.25

Step by Step Solution

1. Step 1: Write the proportion equation
   5,422.50 : 8,099.25 = 8,099.25 : x
2. Step 2: Convert to fraction form
   5,422.50/8,099.25 = 8,099.25/x
3. Step 3: Cross multiply
   5,422.50x = 8,099.25 × 8,099.25
4. Step 4: Simplify right side
   5,422.50x = 65,597,850.56
5. Step 5: Solve for x
   x = 65,597,850.56/5,422.50
6. Step 6: Final answer
   x = 12,097.34