Finding the Third Proportional to 2,731,878 and 4,009,245

Step by Step Solution

1. Step 1: Write the proportion equation
   2,731,878 : 4,009,245 = 4,009,245 : x
2. Step 2: Convert to fraction form
   2,731,878/4,009,245 = 4,009,245/x
3. Step 3: Cross multiply
   2,731,878x = 4,009,245 × 4,009,245
4. Step 4: Simplify right side
   2,731,878x = 16,074,045,470,025
5. Step 5: Solve for x
   x = 16,074,045,470,025/2,731,878
6. Step 6: Final answer
   x = 5,883,881.15