Finding the Third Proportional to 603,804 and 1,279,536

Step by Step Solution

1. Step 1: Write the proportion equation
   603,804 : 1,279,536 = 1,279,536 : x
2. Step 2: Convert to fraction form
   603,804/1,279,536 = 1,279,536/x
3. Step 3: Cross multiply
   603,804x = 1,279,536 × 1,279,536
4. Step 4: Simplify right side
   603,804x = 1,637,212,375,296
5. Step 5: Solve for x
   x = 1,637,212,375,296/603,804
6. Step 6: Final answer
   x = 2,711,496.40