Finding the Third Proportional to 654,450 and 1,387,992

Step by Step Solution

1. Step 1: Write the proportion equation
   654,450 : 1,387,992 = 1,387,992 : x
2. Step 2: Convert to fraction form
   654,450/1,387,992 = 1,387,992/x
3. Step 3: Cross multiply
   654,450x = 1,387,992 × 1,387,992
4. Step 4: Simplify right side
   654,450x = 1,926,521,792,064
5. Step 5: Solve for x
   x = 1,926,521,792,064/654,450
6. Step 6: Final answer
   x = 2,943,726.48