Finding the Third Proportional to 18,228 and 28,162.50

Step by Step Solution

1. Step 1: Write the proportion equation
   18,228 : 28,162.50 = 28,162.50 : x
2. Step 2: Convert to fraction form
   18,228/28,162.50 = 28,162.50/x
3. Step 3: Cross multiply
   18,228x = 28,162.50 × 28,162.50
4. Step 4: Simplify right side
   18,228x = 793,126,406.25
5. Step 5: Solve for x
   x = 793,126,406.25/18,228
6. Step 6: Final answer
   x = 43,511.43