Finding the Third Proportional to 12,974.25 and 28,216.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,974.25 : 28,216.50 = 28,216.50 : x
2. Step 2: Convert to fraction form
   12,974.25/28,216.50 = 28,216.50/x
3. Step 3: Cross multiply
   12,974.25x = 28,216.50 × 28,216.50
4. Step 4: Simplify right side
   12,974.25x = 796,170,872.25
5. Step 5: Solve for x
   x = 796,170,872.25/12,974.25
6. Step 6: Final answer
   x = 61,365.46