Finding the Third Proportional to 264,019.50 and 396,036

Step by Step Solution

1. Step 1: Write the proportion equation
   264,019.50 : 396,036 = 396,036 : x
2. Step 2: Convert to fraction form
   264,019.50/396,036 = 396,036/x
3. Step 3: Cross multiply
   264,019.50x = 396,036 × 396,036
4. Step 4: Simplify right side
   264,019.50x = 156,844,513,296
5. Step 5: Solve for x
   x = 156,844,513,296/264,019.50
6. Step 6: Final answer
   x = 594,064.13