Finding the Third Proportional to 2,631,831 and 5,655,137

Step by Step Solution

1. Step 1: Write the proportion equation
   2,631,831 : 5,655,137 = 5,655,137 : x
2. Step 2: Convert to fraction form
   2,631,831/5,655,137 = 5,655,137/x
3. Step 3: Cross multiply
   2,631,831x = 5,655,137 × 5,655,137
4. Step 4: Simplify right side
   2,631,831x = 31,980,574,488,769
5. Step 5: Solve for x
   x = 31,980,574,488,769/2,631,831
6. Step 6: Final answer
   x = 12,151,454.44