Finding the Third Proportional to 6,458 and 7,144

Step by Step Solution

1. Step 1: Write the proportion equation
   6,458 : 7,144 = 7,144 : x
2. Step 2: Convert to fraction form
   6,458/7,144 = 7,144/x
3. Step 3: Cross multiply
   6,458x = 7,144 × 7,144
4. Step 4: Simplify right side
   6,458x = 51,036,736
5. Step 5: Solve for x
   x = 51,036,736/6,458
6. Step 6: Final answer
   x = 7,902.87