Finding the Third Proportional to 328,460.06 and 697,789.69

Step by Step Solution

1. Step 1: Write the proportion equation
   328,460.06 : 697,789.69 = 697,789.69 : x
2. Step 2: Convert to fraction form
   328,460.06/697,789.69 = 697,789.69/x
3. Step 3: Cross multiply
   328,460.06x = 697,789.69 × 697,789.69
4. Step 4: Simplify right side
   328,460.06x = 486,910,447,981.35
5. Step 5: Solve for x
   x = 486,910,447,981.35/328,460.06
6. Step 6: Final answer
   x = 1,482,403.81