Finding the Third Proportional to 726,336 and 1,200,384

Step by Step Solution

1. Step 1: Write the proportion equation
   726,336 : 1,200,384 = 1,200,384 : x
2. Step 2: Convert to fraction form
   726,336/1,200,384 = 1,200,384/x
3. Step 3: Cross multiply
   726,336x = 1,200,384 × 1,200,384
4. Step 4: Simplify right side
   726,336x = 1,440,921,747,456
5. Step 5: Solve for x
   x = 1,440,921,747,456/726,336
6. Step 6: Final answer
   x = 1,983,822.57