Finding the Third Proportional to 2,106,940 and 3,154,638

Step by Step Solution

1. Step 1: Write the proportion equation
   2,106,940 : 3,154,638 = 3,154,638 : x
2. Step 2: Convert to fraction form
   2,106,940/3,154,638 = 3,154,638/x
3. Step 3: Cross multiply
   2,106,940x = 3,154,638 × 3,154,638
4. Step 4: Simplify right side
   2,106,940x = 9,951,740,911,044
5. Step 5: Solve for x
   x = 9,951,740,911,044/2,106,940
6. Step 6: Final answer
   x = 4,723,314.81