Finding the Third Proportional to 279,870 and 603,948

Step by Step Solution

1. Step 1: Write the proportion equation
   279,870 : 603,948 = 603,948 : x
2. Step 2: Convert to fraction form
   279,870/603,948 = 603,948/x
3. Step 3: Cross multiply
   279,870x = 603,948 × 603,948
4. Step 4: Simplify right side
   279,870x = 364,753,186,704
5. Step 5: Solve for x
   x = 364,753,186,704/279,870
6. Step 6: Final answer
   x = 1,303,295.05