Finding the Third Proportional to 195,822 and 428,958

Step by Step Solution

1. Step 1: Write the proportion equation
   195,822 : 428,958 = 428,958 : x
2. Step 2: Convert to fraction form
   195,822/428,958 = 428,958/x
3. Step 3: Cross multiply
   195,822x = 428,958 × 428,958
4. Step 4: Simplify right side
   195,822x = 184,004,965,764
5. Step 5: Solve for x
   x = 184,004,965,764/195,822
6. Step 6: Final answer
   x = 939,654.21