Finding the Third Proportional to 335,843 and 709,589.50

Step by Step Solution

1. Step 1: Write the proportion equation
   335,843 : 709,589.50 = 709,589.50 : x
2. Step 2: Convert to fraction form
   335,843/709,589.50 = 709,589.50/x
3. Step 3: Cross multiply
   335,843x = 709,589.50 × 709,589.50
4. Step 4: Simplify right side
   335,843x = 503,517,258,510.25
5. Step 5: Solve for x
   x = 503,517,258,510.25/335,843
6. Step 6: Final answer
   x = 1,499,263.82