Finding the Third Proportional to 557,019 and 1,189,206

Step by Step Solution

1. Step 1: Write the proportion equation
   557,019 : 1,189,206 = 1,189,206 : x
2. Step 2: Convert to fraction form
   557,019/1,189,206 = 1,189,206/x
3. Step 3: Cross multiply
   557,019x = 1,189,206 × 1,189,206
4. Step 4: Simplify right side
   557,019x = 1,414,210,910,436
5. Step 5: Solve for x
   x = 1,414,210,910,436/557,019
6. Step 6: Final answer
   x = 2,538,891.69