Finding the Third Proportional to 18,405.50 and 28,661.25

Step by Step Solution

1. Step 1: Write the proportion equation
   18,405.50 : 28,661.25 = 28,661.25 : x
2. Step 2: Convert to fraction form
   18,405.50/28,661.25 = 28,661.25/x
3. Step 3: Cross multiply
   18,405.50x = 28,661.25 × 28,661.25
4. Step 4: Simplify right side
   18,405.50x = 821,467,251.56
5. Step 5: Solve for x
   x = 821,467,251.56/18,405.50
6. Step 6: Final answer
   x = 44,631.62