Finding the Third Proportional to 603,380 and 1,327,288

Step by Step Solution

1. Step 1: Write the proportion equation
   603,380 : 1,327,288 = 1,327,288 : x
2. Step 2: Convert to fraction form
   603,380/1,327,288 = 1,327,288/x
3. Step 3: Cross multiply
   603,380x = 1,327,288 × 1,327,288
4. Step 4: Simplify right side
   603,380x = 1,761,693,434,944
5. Step 5: Solve for x
   x = 1,761,693,434,944/603,380
6. Step 6: Final answer
   x = 2,919,708.04