Finding the Third Proportional to 19,494 and 28,509

Step by Step Solution

1. Step 1: Write the proportion equation
   19,494 : 28,509 = 28,509 : x
2. Step 2: Convert to fraction form
   19,494/28,509 = 28,509/x
3. Step 3: Cross multiply
   19,494x = 28,509 × 28,509
4. Step 4: Simplify right side
   19,494x = 812,763,081
5. Step 5: Solve for x
   x = 812,763,081/19,494
6. Step 6: Final answer
   x = 41,692.99