Finding the Third Proportional to 726,338 and 1,200,387

Step by Step Solution

1. Step 1: Write the proportion equation
   726,338 : 1,200,387 = 1,200,387 : x
2. Step 2: Convert to fraction form
   726,338/1,200,387 = 1,200,387/x
3. Step 3: Cross multiply
   726,338x = 1,200,387 × 1,200,387
4. Step 4: Simplify right side
   726,338x = 1,440,928,949,769
5. Step 5: Solve for x
   x = 1,440,928,949,769/726,338
6. Step 6: Final answer
   x = 1,983,827.02