Finding the Third Proportional to 12,757 and 28,186

Step by Step Solution

1. Step 1: Write the proportion equation
   12,757 : 28,186 = 28,186 : x
2. Step 2: Convert to fraction form
   12,757/28,186 = 28,186/x
3. Step 3: Cross multiply
   12,757x = 28,186 × 28,186
4. Step 4: Simplify right side
   12,757x = 794,450,596
5. Step 5: Solve for x
   x = 794,450,596/12,757
6. Step 6: Final answer
   x = 62,275.66