Finding the Third Proportional to 579,844.50 and 816,549

Step by Step Solution

1. Step 1: Write the proportion equation
   579,844.50 : 816,549 = 816,549 : x
2. Step 2: Convert to fraction form
   579,844.50/816,549 = 816,549/x
3. Step 3: Cross multiply
   579,844.50x = 816,549 × 816,549
4. Step 4: Simplify right side
   579,844.50x = 666,752,269,401
5. Step 5: Solve for x
   x = 666,752,269,401/579,844.50
6. Step 6: Final answer
   x = 1,149,881.17