Finding the Third Proportional to 154,557 and 339,003

Step by Step Solution

1. Step 1: Write the proportion equation
   154,557 : 339,003 = 339,003 : x
2. Step 2: Convert to fraction form
   154,557/339,003 = 339,003/x
3. Step 3: Cross multiply
   154,557x = 339,003 × 339,003
4. Step 4: Simplify right side
   154,557x = 114,923,034,009
5. Step 5: Solve for x
   x = 114,923,034,009/154,557
6. Step 6: Final answer
   x = 743,564.08