Finding the Third Proportional to 435,739.50 and 673,150.50

Step by Step Solution

1. Step 1: Write the proportion equation
   435,739.50 : 673,150.50 = 673,150.50 : x
2. Step 2: Convert to fraction form
   435,739.50/673,150.50 = 673,150.50/x
3. Step 3: Cross multiply
   435,739.50x = 673,150.50 × 673,150.50
4. Step 4: Simplify right side
   435,739.50x = 453,131,595,650.25
5. Step 5: Solve for x
   x = 453,131,595,650.25/435,739.50
6. Step 6: Final answer
   x = 1,039,913.98