Finding the Third Proportional to 2,706,401 and 5,636,706

Step by Step Solution

1. Step 1: Write the proportion equation
   2,706,401 : 5,636,706 = 5,636,706 : x
2. Step 2: Convert to fraction form
   2,706,401/5,636,706 = 5,636,706/x
3. Step 3: Cross multiply
   2,706,401x = 5,636,706 × 5,636,706
4. Step 4: Simplify right side
   2,706,401x = 31,772,454,530,436
5. Step 5: Solve for x
   x = 31,772,454,530,436/2,706,401
6. Step 6: Final answer
   x = 11,739,743.86