Finding the Third Proportional to 383,129.50 and 805,958

Step by Step Solution

1. Step 1: Write the proportion equation
   383,129.50 : 805,958 = 805,958 : x
2. Step 2: Convert to fraction form
   383,129.50/805,958 = 805,958/x
3. Step 3: Cross multiply
   383,129.50x = 805,958 × 805,958
4. Step 4: Simplify right side
   383,129.50x = 649,568,297,764
5. Step 5: Solve for x
   x = 649,568,297,764/383,129.50
6. Step 6: Final answer
   x = 1,695,427.52