Finding the Third Proportional to 2,109,406 and 4,368,350

Step by Step Solution

1. Step 1: Write the proportion equation
   2,109,406 : 4,368,350 = 4,368,350 : x
2. Step 2: Convert to fraction form
   2,109,406/4,368,350 = 4,368,350/x
3. Step 3: Cross multiply
   2,109,406x = 4,368,350 × 4,368,350
4. Step 4: Simplify right side
   2,109,406x = 19,082,481,722,500
5. Step 5: Solve for x
   x = 19,082,481,722,500/2,109,406
6. Step 6: Final answer
   x = 9,046,376.91