Finding the Third Proportional to 472,640 and 1,019,488

Step by Step Solution

1. Step 1: Write the proportion equation
   472,640 : 1,019,488 = 1,019,488 : x
2. Step 2: Convert to fraction form
   472,640/1,019,488 = 1,019,488/x
3. Step 3: Cross multiply
   472,640x = 1,019,488 × 1,019,488
4. Step 4: Simplify right side
   472,640x = 1,039,355,782,144
5. Step 5: Solve for x
   x = 1,039,355,782,144/472,640
6. Step 6: Final answer
   x = 2,199,043.21