Finding the Third Proportional to 2,109,404 and 4,368,348

Step by Step Solution

1. Step 1: Write the proportion equation
   2,109,404 : 4,368,348 = 4,368,348 : x
2. Step 2: Convert to fraction form
   2,109,404/4,368,348 = 4,368,348/x
3. Step 3: Cross multiply
   2,109,404x = 4,368,348 × 4,368,348
4. Step 4: Simplify right side
   2,109,404x = 19,082,464,249,104
5. Step 5: Solve for x
   x = 19,082,464,249,104/2,109,404
6. Step 6: Final answer
   x = 9,046,377.20