Finding the Third Proportional to 335,746.50 and 728,268

Step by Step Solution

1. Step 1: Write the proportion equation
   335,746.50 : 728,268 = 728,268 : x
2. Step 2: Convert to fraction form
   335,746.50/728,268 = 728,268/x
3. Step 3: Cross multiply
   335,746.50x = 728,268 × 728,268
4. Step 4: Simplify right side
   335,746.50x = 530,374,279,824
5. Step 5: Solve for x
   x = 530,374,279,824/335,746.50
6. Step 6: Final answer
   x = 1,579,686.70