Finding the Third Proportional to 12,860 and 28,384

Step by Step Solution

1. Step 1: Write the proportion equation
   12,860 : 28,384 = 28,384 : x
2. Step 2: Convert to fraction form
   12,860/28,384 = 28,384/x
3. Step 3: Cross multiply
   12,860x = 28,384 × 28,384
4. Step 4: Simplify right side
   12,860x = 805,651,456
5. Step 5: Solve for x
   x = 805,651,456/12,860
6. Step 6: Final answer
   x = 62,647.86