Finding the Third Proportional to 8,479.69 and 18,466.31

Step by Step Solution

1. Step 1: Write the proportion equation
   8,479.69 : 18,466.31 = 18,466.31 : x
2. Step 2: Convert to fraction form
   8,479.69/18,466.31 = 18,466.31/x
3. Step 3: Cross multiply
   8,479.69x = 18,466.31 × 18,466.31
4. Step 4: Simplify right side
   8,479.69x = 341,004,697.35
5. Step 5: Solve for x
   x = 341,004,697.35/8,479.69
6. Step 6: Final answer
   x = 40,214.30