Finding the Third Proportional to 210,044 and 318,949.50

Step by Step Solution

1. Step 1: Write the proportion equation
   210,044 : 318,949.50 = 318,949.50 : x
2. Step 2: Convert to fraction form
   210,044/318,949.50 = 318,949.50/x
3. Step 3: Cross multiply
   210,044x = 318,949.50 × 318,949.50
4. Step 4: Simplify right side
   210,044x = 101,728,783,550.25
5. Step 5: Solve for x
   x = 101,728,783,550.25/210,044
6. Step 6: Final answer
   x = 484,321.30