Finding the Third Proportional to 253,561.50 and 543,114

Step by Step Solution

1. Step 1: Write the proportion equation
   253,561.50 : 543,114 = 543,114 : x
2. Step 2: Convert to fraction form
   253,561.50/543,114 = 543,114/x
3. Step 3: Cross multiply
   253,561.50x = 543,114 × 543,114
4. Step 4: Simplify right side
   253,561.50x = 294,972,816,996
5. Step 5: Solve for x
   x = 294,972,816,996/253,561.50
6. Step 6: Final answer
   x = 1,163,318.63