Finding the Third Proportional to 264,336 and 396,583.50

Step by Step Solution

1. Step 1: Write the proportion equation
   264,336 : 396,583.50 = 396,583.50 : x
2. Step 2: Convert to fraction form
   264,336/396,583.50 = 396,583.50/x
3. Step 3: Cross multiply
   264,336x = 396,583.50 × 396,583.50
4. Step 4: Simplify right side
   264,336x = 157,278,472,472.25
5. Step 5: Solve for x
   x = 157,278,472,472.25/264,336
6. Step 6: Final answer
   x = 594,994.52