Finding the Third Proportional to 6,420 and 10,548

Step by Step Solution

1. Step 1: Write the proportion equation
   6,420 : 10,548 = 10,548 : x
2. Step 2: Convert to fraction form
   6,420/10,548 = 10,548/x
3. Step 3: Cross multiply
   6,420x = 10,548 × 10,548
4. Step 4: Simplify right side
   6,420x = 111,260,304
5. Step 5: Solve for x
   x = 111,260,304/6,420
6. Step 6: Final answer
   x = 17,330.27