Finding the Third Proportional to 18,285.75 and 39,845.25

Step by Step Solution

1. Step 1: Write the proportion equation
   18,285.75 : 39,845.25 = 39,845.25 : x
2. Step 2: Convert to fraction form
   18,285.75/39,845.25 = 39,845.25/x
3. Step 3: Cross multiply
   18,285.75x = 39,845.25 × 39,845.25
4. Step 4: Simplify right side
   18,285.75x = 1,587,643,947.56
5. Step 5: Solve for x
   x = 1,587,643,947.56/18,285.75
6. Step 6: Final answer
   x = 86,824.11