Finding the Third Proportional to 323,241.50 and 679,982

Step by Step Solution

1. Step 1: Write the proportion equation
   323,241.50 : 679,982 = 679,982 : x
2. Step 2: Convert to fraction form
   323,241.50/679,982 = 679,982/x
3. Step 3: Cross multiply
   323,241.50x = 679,982 × 679,982
4. Step 4: Simplify right side
   323,241.50x = 462,375,520,324
5. Step 5: Solve for x
   x = 462,375,520,324/323,241.50
6. Step 6: Final answer
   x = 1,430,433.66