Finding the Third Proportional to 251,848 and 548,003

Step by Step Solution

1. Step 1: Write the proportion equation
   251,848 : 548,003 = 548,003 : x
2. Step 2: Convert to fraction form
   251,848/548,003 = 548,003/x
3. Step 3: Cross multiply
   251,848x = 548,003 × 548,003
4. Step 4: Simplify right side
   251,848x = 300,307,288,009
5. Step 5: Solve for x
   x = 300,307,288,009/251,848
6. Step 6: Final answer
   x = 1,192,414.82