Finding the Third Proportional to 603,228 and 1,325,688

Step by Step Solution

1. Step 1: Write the proportion equation
   603,228 : 1,325,688 = 1,325,688 : x
2. Step 2: Convert to fraction form
   603,228/1,325,688 = 1,325,688/x
3. Step 3: Cross multiply
   603,228x = 1,325,688 × 1,325,688
4. Step 4: Simplify right side
   603,228x = 1,757,448,673,344
5. Step 5: Solve for x
   x = 1,757,448,673,344/603,228
6. Step 6: Final answer
   x = 2,913,406.99