Finding the Third Proportional to 254,019 and 543,066

Step by Step Solution

1. Step 1: Write the proportion equation
   254,019 : 543,066 = 543,066 : x
2. Step 2: Convert to fraction form
   254,019/543,066 = 543,066/x
3. Step 3: Cross multiply
   254,019x = 543,066 × 543,066
4. Step 4: Simplify right side
   254,019x = 294,920,680,356
5. Step 5: Solve for x
   x = 294,920,680,356/254,019
6. Step 6: Final answer
   x = 1,161,018.19