Finding the Third Proportional to 12,786.75 and 28,549.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,786.75 : 28,549.50 = 28,549.50 : x
2. Step 2: Convert to fraction form
   12,786.75/28,549.50 = 28,549.50/x
3. Step 3: Cross multiply
   12,786.75x = 28,549.50 × 28,549.50
4. Step 4: Simplify right side
   12,786.75x = 815,073,950.25
5. Step 5: Solve for x
   x = 815,073,950.25/12,786.75
6. Step 6: Final answer
   x = 63,743.64