Finding the Third Proportional to 543,424.50 and 798,510

Step by Step Solution

1. Step 1: Write the proportion equation
   543,424.50 : 798,510 = 798,510 : x
2. Step 2: Convert to fraction form
   543,424.50/798,510 = 798,510/x
3. Step 3: Cross multiply
   543,424.50x = 798,510 × 798,510
4. Step 4: Simplify right side
   543,424.50x = 637,618,220,100
5. Step 5: Solve for x
   x = 637,618,220,100/543,424.50
6. Step 6: Final answer
   x = 1,173,333.59