Finding the Third Proportional to 335,610 and 518,494.50

Step by Step Solution

1. Step 1: Write the proportion equation
   335,610 : 518,494.50 = 518,494.50 : x
2. Step 2: Convert to fraction form
   335,610/518,494.50 = 518,494.50/x
3. Step 3: Cross multiply
   335,610x = 518,494.50 × 518,494.50
4. Step 4: Simplify right side
   335,610x = 268,836,546,530.25
5. Step 5: Solve for x
   x = 268,836,546,530.25/335,610
6. Step 6: Final answer
   x = 801,038.55