Finding the Third Proportional to 2,704,812 and 4,185,990

Step by Step Solution

1. Step 1: Write the proportion equation
   2,704,812 : 4,185,990 = 4,185,990 : x
2. Step 2: Convert to fraction form
   2,704,812/4,185,990 = 4,185,990/x
3. Step 3: Cross multiply
   2,704,812x = 4,185,990 × 4,185,990
4. Step 4: Simplify right side
   2,704,812x = 17,522,512,280,100
5. Step 5: Solve for x
   x = 17,522,512,280,100/2,704,812
6. Step 6: Final answer
   x = 6,478,273.64