Finding the Third Proportional to 2,677,185 and 4,078,512

Step by Step Solution

1. Step 1: Write the proportion equation
   2,677,185 : 4,078,512 = 4,078,512 : x
2. Step 2: Convert to fraction form
   2,677,185/4,078,512 = 4,078,512/x
3. Step 3: Cross multiply
   2,677,185x = 4,078,512 × 4,078,512
4. Step 4: Simplify right side
   2,677,185x = 16,634,260,134,144
5. Step 5: Solve for x
   x = 16,634,260,134,144/2,677,185
6. Step 6: Final answer
   x = 6,213,339.81