Finding the Third Proportional to 557,442 and 1,204,308

Step by Step Solution

1. Step 1: Write the proportion equation
   557,442 : 1,204,308 = 1,204,308 : x
2. Step 2: Convert to fraction form
   557,442/1,204,308 = 1,204,308/x
3. Step 3: Cross multiply
   557,442x = 1,204,308 × 1,204,308
4. Step 4: Simplify right side
   557,442x = 1,450,357,758,864
5. Step 5: Solve for x
   x = 1,450,357,758,864/557,442
6. Step 6: Final answer
   x = 2,601,809.26