Finding the Third Proportional to 7,942.50 and 18,466.31

Step by Step Solution

1. Step 1: Write the proportion equation
   7,942.50 : 18,466.31 = 18,466.31 : x
2. Step 2: Convert to fraction form
   7,942.50/18,466.31 = 18,466.31/x
3. Step 3: Cross multiply
   7,942.50x = 18,466.31 × 18,466.31
4. Step 4: Simplify right side
   7,942.50x = 341,004,697.35
5. Step 5: Solve for x
   x = 341,004,697.35/7,942.50
6. Step 6: Final answer
   x = 42,934.18