Finding the Third Proportional to 254,024 and 543,040

Step by Step Solution

1. Step 1: Write the proportion equation
   254,024 : 543,040 = 543,040 : x
2. Step 2: Convert to fraction form
   254,024/543,040 = 543,040/x
3. Step 3: Cross multiply
   254,024x = 543,040 × 543,040
4. Step 4: Simplify right side
   254,024x = 294,892,441,600
5. Step 5: Solve for x
   x = 294,892,441,600/254,024
6. Step 6: Final answer
   x = 1,160,884.17