Finding the Third Proportional to 12,992 and 28,386

Step by Step Solution

1. Step 1: Write the proportion equation
   12,992 : 28,386 = 28,386 : x
2. Step 2: Convert to fraction form
   12,992/28,386 = 28,386/x
3. Step 3: Cross multiply
   12,992x = 28,386 × 28,386
4. Step 4: Simplify right side
   12,992x = 805,764,996
5. Step 5: Solve for x
   x = 805,764,996/12,992
6. Step 6: Final answer
   x = 62,020.09