Finding the Third Proportional to 300,384 and 659,520

Step by Step Solution

1. Step 1: Write the proportion equation
   300,384 : 659,520 = 659,520 : x
2. Step 2: Convert to fraction form
   300,384/659,520 = 659,520/x
3. Step 3: Cross multiply
   300,384x = 659,520 × 659,520
4. Step 4: Simplify right side
   300,384x = 434,966,630,400
5. Step 5: Solve for x
   x = 434,966,630,400/300,384
6. Step 6: Final answer
   x = 1,448,035.28