Finding the Third Proportional to 1,243,682 and 2,636,824

Step by Step Solution

1. Step 1: Write the proportion equation
   1,243,682 : 2,636,824 = 2,636,824 : x
2. Step 2: Convert to fraction form
   1,243,682/2,636,824 = 2,636,824/x
3. Step 3: Cross multiply
   1,243,682x = 2,636,824 × 2,636,824
4. Step 4: Simplify right side
   1,243,682x = 6,952,840,806,976
5. Step 5: Solve for x
   x = 6,952,840,806,976/1,243,682
6. Step 6: Final answer
   x = 5,590,529.42