Finding the Third Proportional to 427,368 and 664,362.75

Step by Step Solution

1. Step 1: Write the proportion equation
   427,368 : 664,362.75 = 664,362.75 : x
2. Step 2: Convert to fraction form
   427,368/664,362.75 = 664,362.75/x
3. Step 3: Cross multiply
   427,368x = 664,362.75 × 664,362.75
4. Step 4: Simplify right side
   427,368x = 441,377,863,587.56
5. Step 5: Solve for x
   x = 441,377,863,587.56/427,368
6. Step 6: Final answer
   x = 1,032,781.73