Finding the Third Proportional to 325,558 and 676,066

Step by Step Solution

1. Step 1: Write the proportion equation
   325,558 : 676,066 = 676,066 : x
2. Step 2: Convert to fraction form
   325,558/676,066 = 676,066/x
3. Step 3: Cross multiply
   325,558x = 676,066 × 676,066
4. Step 4: Simplify right side
   325,558x = 457,065,236,356
5. Step 5: Solve for x
   x = 457,065,236,356/325,558
6. Step 6: Final answer
   x = 1,403,944.11