Finding the Third Proportional to 5,575.50 and 8,363.81

Step by Step Solution

1. Step 1: Write the proportion equation
   5,575.50 : 8,363.81 = 8,363.81 : x
2. Step 2: Convert to fraction form
   5,575.50/8,363.81 = 8,363.81/x
3. Step 3: Cross multiply
   5,575.50x = 8,363.81 × 8,363.81
4. Step 4: Simplify right side
   5,575.50x = 69,953,359.54
5. Step 5: Solve for x
   x = 69,953,359.54/5,575.50
6. Step 6: Final answer
   x = 12,546.56