Finding the Third Proportional to 154,678.50 and 327,662

Step by Step Solution

1. Step 1: Write the proportion equation
   154,678.50 : 327,662 = 327,662 : x
2. Step 2: Convert to fraction form
   154,678.50/327,662 = 327,662/x
3. Step 3: Cross multiply
   154,678.50x = 327,662 × 327,662
4. Step 4: Simplify right side
   154,678.50x = 107,362,386,244
5. Step 5: Solve for x
   x = 107,362,386,244/154,678.50
6. Step 6: Final answer
   x = 694,100.25