Finding the Third Proportional to 2,631,837 and 5,655,149

Step by Step Solution

1. Step 1: Write the proportion equation
   2,631,837 : 5,655,149 = 5,655,149 : x
2. Step 2: Convert to fraction form
   2,631,837/5,655,149 = 5,655,149/x
3. Step 3: Cross multiply
   2,631,837x = 5,655,149 × 5,655,149
4. Step 4: Simplify right side
   2,631,837x = 31,980,710,212,201
5. Step 5: Solve for x
   x = 31,980,710,212,201/2,631,837
6. Step 6: Final answer
   x = 12,151,478.31