Finding the Third Proportional to 919,640 and 1,418,824

Step by Step Solution

1. Step 1: Write the proportion equation
   919,640 : 1,418,824 = 1,418,824 : x
2. Step 2: Convert to fraction form
   919,640/1,418,824 = 1,418,824/x
3. Step 3: Cross multiply
   919,640x = 1,418,824 × 1,418,824
4. Step 4: Simplify right side
   919,640x = 2,013,061,542,976
5. Step 5: Solve for x
   x = 2,013,061,542,976/919,640
6. Step 6: Final answer
   x = 2,188,966.93