Finding the Third Proportional to 557,470 and 1,223,204

Step by Step Solution

1. Step 1: Write the proportion equation
   557,470 : 1,223,204 = 1,223,204 : x
2. Step 2: Convert to fraction form
   557,470/1,223,204 = 1,223,204/x
3. Step 3: Cross multiply
   557,470x = 1,223,204 × 1,223,204
4. Step 4: Simplify right side
   557,470x = 1,496,228,025,616
5. Step 5: Solve for x
   x = 1,496,228,025,616/557,470
6. Step 6: Final answer
   x = 2,683,961.51