Finding the Third Proportional to 13,128 and 28,443

Step by Step Solution

1. Step 1: Write the proportion equation
   13,128 : 28,443 = 28,443 : x
2. Step 2: Convert to fraction form
   13,128/28,443 = 28,443/x
3. Step 3: Cross multiply
   13,128x = 28,443 × 28,443
4. Step 4: Simplify right side
   13,128x = 809,004,249
5. Step 5: Solve for x
   x = 809,004,249/13,128
6. Step 6: Final answer
   x = 61,624.33