Finding the Third Proportional to 12,968 and 28,400

Step by Step Solution

1. Step 1: Write the proportion equation
   12,968 : 28,400 = 28,400 : x
2. Step 2: Convert to fraction form
   12,968/28,400 = 28,400/x
3. Step 3: Cross multiply
   12,968x = 28,400 × 28,400
4. Step 4: Simplify right side
   12,968x = 806,560,000
5. Step 5: Solve for x
   x = 806,560,000/12,968
6. Step 6: Final answer
   x = 62,196.18