Finding the Third Proportional to 19,996 and 28,427

Step by Step Solution

1. Step 1: Write the proportion equation
   19,996 : 28,427 = 28,427 : x
2. Step 2: Convert to fraction form
   19,996/28,427 = 28,427/x
3. Step 3: Cross multiply
   19,996x = 28,427 × 28,427
4. Step 4: Simplify right side
   19,996x = 808,094,329
5. Step 5: Solve for x
   x = 808,094,329/19,996
6. Step 6: Final answer
   x = 40,412.80