Finding the Third Proportional to 12,756 and 14,605.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,756 : 14,605.50 = 14,605.50 : x
2. Step 2: Convert to fraction form
   12,756/14,605.50 = 14,605.50/x
3. Step 3: Cross multiply
   12,756x = 14,605.50 × 14,605.50
4. Step 4: Simplify right side
   12,756x = 213,320,630.25
5. Step 5: Solve for x
   x = 213,320,630.25/12,756
6. Step 6: Final answer
   x = 16,723.16