Finding the Third Proportional to 543,486 and 798,610.50

Step by Step Solution

1. Step 1: Write the proportion equation
   543,486 : 798,610.50 = 798,610.50 : x
2. Step 2: Convert to fraction form
   543,486/798,610.50 = 798,610.50/x
3. Step 3: Cross multiply
   543,486x = 798,610.50 × 798,610.50
4. Step 4: Simplify right side
   543,486x = 637,778,730,710.25
5. Step 5: Solve for x
   x = 637,778,730,710.25/543,486
6. Step 6: Final answer
   x = 1,173,496.15