Finding the Third Proportional to 2,643,606 and 5,790,951

Step by Step Solution

1. Step 1: Write the proportion equation
   2,643,606 : 5,790,951 = 5,790,951 : x
2. Step 2: Convert to fraction form
   2,643,606/5,790,951 = 5,790,951/x
3. Step 3: Cross multiply
   2,643,606x = 5,790,951 × 5,790,951
4. Step 4: Simplify right side
   2,643,606x = 33,535,113,484,401
5. Step 5: Solve for x
   x = 33,535,113,484,401/2,643,606
6. Step 6: Final answer
   x = 12,685,367.44