Finding the Third Proportional to 19,488 and 28,500

Step by Step Solution

1. Step 1: Write the proportion equation
   19,488 : 28,500 = 28,500 : x
2. Step 2: Convert to fraction form
   19,488/28,500 = 28,500/x
3. Step 3: Cross multiply
   19,488x = 28,500 × 28,500
4. Step 4: Simplify right side
   19,488x = 812,250,000
5. Step 5: Solve for x
   x = 812,250,000/19,488
6. Step 6: Final answer
   x = 41,679.50