Finding the Third Proportional to 154,920.94 and 328,294.69

Step by Step Solution

1. Step 1: Write the proportion equation
   154,920.94 : 328,294.69 = 328,294.69 : x
2. Step 2: Convert to fraction form
   154,920.94/328,294.69 = 328,294.69/x
3. Step 3: Cross multiply
   154,920.94x = 328,294.69 × 328,294.69
4. Step 4: Simplify right side
   154,920.94x = 107,777,401,840.72
5. Step 5: Solve for x
   x = 107,777,401,840.72/154,920.94
6. Step 6: Final answer
   x = 695,692.94