Finding the Third Proportional to 415,384 and 890,384

Step by Step Solution

1. Step 1: Write the proportion equation
   415,384 : 890,384 = 890,384 : x
2. Step 2: Convert to fraction form
   415,384/890,384 = 890,384/x
3. Step 3: Cross multiply
   415,384x = 890,384 × 890,384
4. Step 4: Simplify right side
   415,384x = 792,783,667,456
5. Step 5: Solve for x
   x = 792,783,667,456/415,384
6. Step 6: Final answer
   x = 1,908,556.10