Finding the Third Proportional to 449,185 and 673,085.50

Step by Step Solution

1. Step 1: Write the proportion equation
   449,185 : 673,085.50 = 673,085.50 : x
2. Step 2: Convert to fraction form
   449,185/673,085.50 = 673,085.50/x
3. Step 3: Cross multiply
   449,185x = 673,085.50 × 673,085.50
4. Step 4: Simplify right side
   449,185x = 453,044,090,310.25
5. Step 5: Solve for x
   x = 453,044,090,310.25/449,185
6. Step 6: Final answer
   x = 1,008,591.32