Finding the Third Proportional to 12,022.50 and 18,859.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,022.50 : 18,859.50 = 18,859.50 : x
2. Step 2: Convert to fraction form
   12,022.50/18,859.50 = 18,859.50/x
3. Step 3: Cross multiply
   12,022.50x = 18,859.50 × 18,859.50
4. Step 4: Simplify right side
   12,022.50x = 355,680,740.25
5. Step 5: Solve for x
   x = 355,680,740.25/12,022.50
6. Step 6: Final answer
   x = 29,584.59