Finding the Third Proportional to 12,996 and 28,272

Step by Step Solution

1. Step 1: Write the proportion equation
   12,996 : 28,272 = 28,272 : x
2. Step 2: Convert to fraction form
   12,996/28,272 = 28,272/x
3. Step 3: Cross multiply
   12,996x = 28,272 × 28,272
4. Step 4: Simplify right side
   12,996x = 799,305,984
5. Step 5: Solve for x
   x = 799,305,984/12,996
6. Step 6: Final answer
   x = 61,504