Finding the Third Proportional to 18,646 and 28,150

Step by Step Solution

1. Step 1: Write the proportion equation
   18,646 : 28,150 = 28,150 : x
2. Step 2: Convert to fraction form
   18,646/28,150 = 28,150/x
3. Step 3: Cross multiply
   18,646x = 28,150 × 28,150
4. Step 4: Simplify right side
   18,646x = 792,422,500
5. Step 5: Solve for x
   x = 792,422,500/18,646
6. Step 6: Final answer
   x = 42,498.26