Finding the Third Proportional to 335,118 and 729,205.50

Step by Step Solution

1. Step 1: Write the proportion equation
   335,118 : 729,205.50 = 729,205.50 : x
2. Step 2: Convert to fraction form
   335,118/729,205.50 = 729,205.50/x
3. Step 3: Cross multiply
   335,118x = 729,205.50 × 729,205.50
4. Step 4: Simplify right side
   335,118x = 531,740,661,230.25
5. Step 5: Solve for x
   x = 531,740,661,230.25/335,118
6. Step 6: Final answer
   x = 1,586,726.65