Finding the Third Proportional to 10,128 and 13,482

Step by Step Solution

1. Step 1: Write the proportion equation
   10,128 : 13,482 = 13,482 : x
2. Step 2: Convert to fraction form
   10,128/13,482 = 13,482/x
3. Step 3: Cross multiply
   10,128x = 13,482 × 13,482
4. Step 4: Simplify right side
   10,128x = 181,764,324
5. Step 5: Solve for x
   x = 181,764,324/10,128
6. Step 6: Final answer
   x = 17,946.71