Finding the Third Proportional to 154,896 and 328,369.50

Step by Step Solution

1. Step 1: Write the proportion equation
   154,896 : 328,369.50 = 328,369.50 : x
2. Step 2: Convert to fraction form
   154,896/328,369.50 = 328,369.50/x
3. Step 3: Cross multiply
   154,896x = 328,369.50 × 328,369.50
4. Step 4: Simplify right side
   154,896x = 107,826,528,530.25
5. Step 5: Solve for x
   x = 107,826,528,530.25/154,896
6. Step 6: Final answer
   x = 696,122.10