Finding the Third Proportional to 1,343,638 and 2,949,392

Step by Step Solution

1. Step 1: Write the proportion equation
   1,343,638 : 2,949,392 = 2,949,392 : x
2. Step 2: Convert to fraction form
   1,343,638/2,949,392 = 2,949,392/x
3. Step 3: Cross multiply
   1,343,638x = 2,949,392 × 2,949,392
4. Step 4: Simplify right side
   1,343,638x = 8,698,913,169,664
5. Step 5: Solve for x
   x = 8,698,913,169,664/1,343,638
6. Step 6: Final answer
   x = 6,474,149.41