Finding the Third Proportional to 1,393,707 and 2,109,846

Step by Step Solution

1. Step 1: Write the proportion equation
   1,393,707 : 2,109,846 = 2,109,846 : x
2. Step 2: Convert to fraction form
   1,393,707/2,109,846 = 2,109,846/x
3. Step 3: Cross multiply
   1,393,707x = 2,109,846 × 2,109,846
4. Step 4: Simplify right side
   1,393,707x = 4,451,450,143,716
5. Step 5: Solve for x
   x = 4,451,450,143,716/1,393,707
6. Step 6: Final answer
   x = 3,193,964.11