Finding the Third Proportional to 1,243,706 and 2,636,874

Step by Step Solution

1. Step 1: Write the proportion equation
   1,243,706 : 2,636,874 = 2,636,874 : x
2. Step 2: Convert to fraction form
   1,243,706/2,636,874 = 2,636,874/x
3. Step 3: Cross multiply
   1,243,706x = 2,636,874 × 2,636,874
4. Step 4: Simplify right side
   1,243,706x = 6,953,104,491,876
5. Step 5: Solve for x
   x = 6,953,104,491,876/1,243,706
6. Step 6: Final answer
   x = 5,590,633.55