Finding the Third Proportional to 603,403 and 1,322,018

Step by Step Solution

1. Step 1: Write the proportion equation
   603,403 : 1,322,018 = 1,322,018 : x
2. Step 2: Convert to fraction form
   603,403/1,322,018 = 1,322,018/x
3. Step 3: Cross multiply
   603,403x = 1,322,018 × 1,322,018
4. Step 4: Simplify right side
   603,403x = 1,747,731,592,324
5. Step 5: Solve for x
   x = 1,747,731,592,324/603,403
6. Step 6: Final answer
   x = 2,896,458.24