Finding the Third Proportional to 435,546 and 664,390.50

Step by Step Solution

1. Step 1: Write the proportion equation
   435,546 : 664,390.50 = 664,390.50 : x
2. Step 2: Convert to fraction form
   435,546/664,390.50 = 664,390.50/x
3. Step 3: Cross multiply
   435,546x = 664,390.50 × 664,390.50
4. Step 4: Simplify right side
   435,546x = 441,414,736,490.25
5. Step 5: Solve for x
   x = 441,414,736,490.25/435,546
6. Step 6: Final answer
   x = 1,013,474.44