Finding the Third Proportional to 8,100.50 and 10,350.75

Step by Step Solution

1. Step 1: Write the proportion equation
   8,100.50 : 10,350.75 = 10,350.75 : x
2. Step 2: Convert to fraction form
   8,100.50/10,350.75 = 10,350.75/x
3. Step 3: Cross multiply
   8,100.50x = 10,350.75 × 10,350.75
4. Step 4: Simplify right side
   8,100.50x = 107,138,025.56
5. Step 5: Solve for x
   x = 107,138,025.56/8,100.50
6. Step 6: Final answer
   x = 13,226.10