Finding the Third Proportional to 644,596 and 1,366,030

Step by Step Solution

1. Step 1: Write the proportion equation
   644,596 : 1,366,030 = 1,366,030 : x
2. Step 2: Convert to fraction form
   644,596/1,366,030 = 1,366,030/x
3. Step 3: Cross multiply
   644,596x = 1,366,030 × 1,366,030
4. Step 4: Simplify right side
   644,596x = 1,866,037,960,900
5. Step 5: Solve for x
   x = 1,866,037,960,900/644,596
6. Step 6: Final answer
   x = 2,894,895.35