Finding the Third Proportional to 356,874 and 484,441.50

Step by Step Solution

1. Step 1: Write the proportion equation
   356,874 : 484,441.50 = 484,441.50 : x
2. Step 2: Convert to fraction form
   356,874/484,441.50 = 484,441.50/x
3. Step 3: Cross multiply
   356,874x = 484,441.50 × 484,441.50
4. Step 4: Simplify right side
   356,874x = 234,683,566,922.25
5. Step 5: Solve for x
   x = 234,683,566,922.25/356,874
6. Step 6: Final answer
   x = 657,609.04