Finding the Third Proportional to 2,193,808 and 4,891,744

Step by Step Solution

1. Step 1: Write the proportion equation
   2,193,808 : 4,891,744 = 4,891,744 : x
2. Step 2: Convert to fraction form
   2,193,808/4,891,744 = 4,891,744/x
3. Step 3: Cross multiply
   2,193,808x = 4,891,744 × 4,891,744
4. Step 4: Simplify right side
   2,193,808x = 23,929,159,361,536
5. Step 5: Solve for x
   x = 23,929,159,361,536/2,193,808
6. Step 6: Final answer
   x = 10,907,590.53