Finding the Third Proportional to 6,404.25 and 9,459

Step by Step Solution

1. Step 1: Write the proportion equation
   6,404.25 : 9,459 = 9,459 : x
2. Step 2: Convert to fraction form
   6,404.25/9,459 = 9,459/x
3. Step 3: Cross multiply
   6,404.25x = 9,459 × 9,459
4. Step 4: Simplify right side
   6,404.25x = 89,472,681
5. Step 5: Solve for x
   x = 89,472,681/6,404.25
6. Step 6: Final answer
   x = 13,970.83