Finding the Third Proportional to 1,513,638 and 2,276,836

Step by Step Solution

1. Step 1: Write the proportion equation
   1,513,638 : 2,276,836 = 2,276,836 : x
2. Step 2: Convert to fraction form
   1,513,638/2,276,836 = 2,276,836/x
3. Step 3: Cross multiply
   1,513,638x = 2,276,836 × 2,276,836
4. Step 4: Simplify right side
   1,513,638x = 5,183,982,170,896
5. Step 5: Solve for x
   x = 5,183,982,170,896/1,513,638
6. Step 6: Final answer
   x = 3,424,849.38