Finding the Third Proportional to 262,406.50 and 543,483.50

Step by Step Solution

1. Step 1: Write the proportion equation
   262,406.50 : 543,483.50 = 543,483.50 : x
2. Step 2: Convert to fraction form
   262,406.50/543,483.50 = 543,483.50/x
3. Step 3: Cross multiply
   262,406.50x = 543,483.50 × 543,483.50
4. Step 4: Simplify right side
   262,406.50x = 295,374,314,772.25
5. Step 5: Solve for x
   x = 295,374,314,772.25/262,406.50
6. Step 6: Final answer
   x = 1,125,636.43