Finding the Third Proportional to 2,631,823 and 5,655,120

Step by Step Solution

1. Step 1: Write the proportion equation
   2,631,823 : 5,655,120 = 5,655,120 : x
2. Step 2: Convert to fraction form
   2,631,823/5,655,120 = 5,655,120/x
3. Step 3: Cross multiply
   2,631,823x = 5,655,120 × 5,655,120
4. Step 4: Simplify right side
   2,631,823x = 31,980,382,214,400
5. Step 5: Solve for x
   x = 31,980,382,214,400/2,631,823
6. Step 6: Final answer
   x = 12,151,418.32