Finding the Third Proportional to 17,487 and 28,143

Step by Step Solution

1. Step 1: Write the proportion equation
   17,487 : 28,143 = 28,143 : x
2. Step 2: Convert to fraction form
   17,487/28,143 = 28,143/x
3. Step 3: Cross multiply
   17,487x = 28,143 × 28,143
4. Step 4: Simplify right side
   17,487x = 792,028,449
5. Step 5: Solve for x
   x = 792,028,449/17,487
6. Step 6: Final answer
   x = 45,292.41