Finding the Third Proportional to 6,662 and 12,988

Step by Step Solution

1. Step 1: Write the proportion equation
   6,662 : 12,988 = 12,988 : x
2. Step 2: Convert to fraction form
   6,662/12,988 = 12,988/x
3. Step 3: Cross multiply
   6,662x = 12,988 × 12,988
4. Step 4: Simplify right side
   6,662x = 168,688,144
5. Step 5: Solve for x
   x = 168,688,144/6,662
6. Step 6: Final answer
   x = 25,320.95