Finding the Third Proportional to 356,872.50 and 484,443

Step by Step Solution

1. Step 1: Write the proportion equation
   356,872.50 : 484,443 = 484,443 : x
2. Step 2: Convert to fraction form
   356,872.50/484,443 = 484,443/x
3. Step 3: Cross multiply
   356,872.50x = 484,443 × 484,443
4. Step 4: Simplify right side
   356,872.50x = 234,685,020,249
5. Step 5: Solve for x
   x = 234,685,020,249/356,872.50
6. Step 6: Final answer
   x = 657,615.87