Finding the Third Proportional to 641,067 and 996,580.50

Step by Step Solution

1. Step 1: Write the proportion equation
   641,067 : 996,580.50 = 996,580.50 : x
2. Step 2: Convert to fraction form
   641,067/996,580.50 = 996,580.50/x
3. Step 3: Cross multiply
   641,067x = 996,580.50 × 996,580.50
4. Step 4: Simplify right side
   641,067x = 993,172,692,980.25
5. Step 5: Solve for x
   x = 993,172,692,980.25/641,067
6. Step 6: Final answer
   x = 1,549,249.44