Finding the Third Proportional to 11,326.50 and 12,966.75

Step by Step Solution

1. Step 1: Write the proportion equation
   11,326.50 : 12,966.75 = 12,966.75 : x
2. Step 2: Convert to fraction form
   11,326.50/12,966.75 = 12,966.75/x
3. Step 3: Cross multiply
   11,326.50x = 12,966.75 × 12,966.75
4. Step 4: Simplify right side
   11,326.50x = 168,136,605.56
5. Step 5: Solve for x
   x = 168,136,605.56/11,326.50
6. Step 6: Final answer
   x = 14,844.53