Finding the Third Proportional to 8,605.25 and 18,830.50

Step by Step Solution

1. Step 1: Write the proportion equation
   8,605.25 : 18,830.50 = 18,830.50 : x
2. Step 2: Convert to fraction form
   8,605.25/18,830.50 = 18,830.50/x
3. Step 3: Cross multiply
   8,605.25x = 18,830.50 × 18,830.50
4. Step 4: Simplify right side
   8,605.25x = 354,587,730.25
5. Step 5: Solve for x
   x = 354,587,730.25/8,605.25
6. Step 6: Final answer
   x = 41,205.98