Finding the Third Proportional to 154,068 and 323,040

Step by Step Solution

1. Step 1: Write the proportion equation
   154,068 : 323,040 = 323,040 : x
2. Step 2: Convert to fraction form
   154,068/323,040 = 323,040/x
3. Step 3: Cross multiply
   154,068x = 323,040 × 323,040
4. Step 4: Simplify right side
   154,068x = 104,354,841,600
5. Step 5: Solve for x
   x = 104,354,841,600/154,068
6. Step 6: Final answer
   x = 677,329.76