Finding the Third Proportional to 12,757.50 and 28,228.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,757.50 : 28,228.50 = 28,228.50 : x
2. Step 2: Convert to fraction form
   12,757.50/28,228.50 = 28,228.50/x
3. Step 3: Cross multiply
   12,757.50x = 28,228.50 × 28,228.50
4. Step 4: Simplify right side
   12,757.50x = 796,848,212.25
5. Step 5: Solve for x
   x = 796,848,212.25/12,757.50
6. Step 6: Final answer
   x = 62,461.16