Finding the Third Proportional to 12,728.63 and 27,966.75

Step by Step Solution

1. Step 1: Write the proportion equation
   12,728.63 : 27,966.75 = 27,966.75 : x
2. Step 2: Convert to fraction form
   12,728.63/27,966.75 = 27,966.75/x
3. Step 3: Cross multiply
   12,728.63x = 27,966.75 × 27,966.75
4. Step 4: Simplify right side
   12,728.63x = 782,139,105.56
5. Step 5: Solve for x
   x = 782,139,105.56/12,728.63
6. Step 6: Final answer
   x = 61,447.26