Finding the Third Proportional to 644,952 and 1,342,836

Step by Step Solution

1. Step 1: Write the proportion equation
   644,952 : 1,342,836 = 1,342,836 : x
2. Step 2: Convert to fraction form
   644,952/1,342,836 = 1,342,836/x
3. Step 3: Cross multiply
   644,952x = 1,342,836 × 1,342,836
4. Step 4: Simplify right side
   644,952x = 1,803,208,522,896
5. Step 5: Solve for x
   x = 1,803,208,522,896/644,952
6. Step 6: Final answer
   x = 2,795,880.19