Finding the Third Proportional to 867,728 and 1,777,736

Step by Step Solution

1. Step 1: Write the proportion equation
   867,728 : 1,777,736 = 1,777,736 : x
2. Step 2: Convert to fraction form
   867,728/1,777,736 = 1,777,736/x
3. Step 3: Cross multiply
   867,728x = 1,777,736 × 1,777,736
4. Step 4: Simplify right side
   867,728x = 3,160,345,285,696
5. Step 5: Solve for x
   x = 3,160,345,285,696/867,728
6. Step 6: Final answer
   x = 3,642,092.09