Finding the Third Proportional to 919,648 and 1,418,836

Step by Step Solution

1. Step 1: Write the proportion equation
   919,648 : 1,418,836 = 1,418,836 : x
2. Step 2: Convert to fraction form
   919,648/1,418,836 = 1,418,836/x
3. Step 3: Cross multiply
   919,648x = 1,418,836 × 1,418,836
4. Step 4: Simplify right side
   919,648x = 2,013,095,594,896
5. Step 5: Solve for x
   x = 2,013,095,594,896/919,648
6. Step 6: Final answer
   x = 2,188,984.91