Finding the Third Proportional to 388,928 and 804,848

Step by Step Solution

1. Step 1: Write the proportion equation
   388,928 : 804,848 = 804,848 : x
2. Step 2: Convert to fraction form
   388,928/804,848 = 804,848/x
3. Step 3: Cross multiply
   388,928x = 804,848 × 804,848
4. Step 4: Simplify right side
   388,928x = 647,780,303,104
5. Step 5: Solve for x
   x = 647,780,303,104/388,928
6. Step 6: Final answer
   x = 1,665,553.27