Finding the Third Proportional to 19,356 and 28,287

Step by Step Solution

1. Step 1: Write the proportion equation
   19,356 : 28,287 = 28,287 : x
2. Step 2: Convert to fraction form
   19,356/28,287 = 28,287/x
3. Step 3: Cross multiply
   19,356x = 28,287 × 28,287
4. Step 4: Simplify right side
   19,356x = 800,154,369
5. Step 5: Solve for x
   x = 800,154,369/19,356
6. Step 6: Final answer
   x = 41,338.83