Finding the Third Proportional to 8,269.50 and 10,123.50

Step by Step Solution

1. Step 1: Write the proportion equation
   8,269.50 : 10,123.50 = 10,123.50 : x
2. Step 2: Convert to fraction form
   8,269.50/10,123.50 = 10,123.50/x
3. Step 3: Cross multiply
   8,269.50x = 10,123.50 × 10,123.50
4. Step 4: Simplify right side
   8,269.50x = 102,485,252.25
5. Step 5: Solve for x
   x = 102,485,252.25/8,269.50
6. Step 6: Final answer
   x = 12,393.16