Finding the Third Proportional to 279,889 and 604,003

Step by Step Solution

1. Step 1: Write the proportion equation
   279,889 : 604,003 = 604,003 : x
2. Step 2: Convert to fraction form
   279,889/604,003 = 604,003/x
3. Step 3: Cross multiply
   279,889x = 604,003 × 604,003
4. Step 4: Simplify right side
   279,889x = 364,819,624,009
5. Step 5: Solve for x
   x = 364,819,624,009/279,889
6. Step 6: Final answer
   x = 1,303,443.95