Finding the Third Proportional to 1,436,246 and 2,126,638

Step by Step Solution

1. Step 1: Write the proportion equation
   1,436,246 : 2,126,638 = 2,126,638 : x
2. Step 2: Convert to fraction form
   1,436,246/2,126,638 = 2,126,638/x
3. Step 3: Cross multiply
   1,436,246x = 2,126,638 × 2,126,638
4. Step 4: Simplify right side
   1,436,246x = 4,522,589,183,044
5. Step 5: Solve for x
   x = 4,522,589,183,044/1,436,246
6. Step 6: Final answer
   x = 3,148,895.93