Finding the Third Proportional to 919,644 and 1,418,830

Step by Step Solution

1. Step 1: Write the proportion equation
   919,644 : 1,418,830 = 1,418,830 : x
2. Step 2: Convert to fraction form
   919,644/1,418,830 = 1,418,830/x
3. Step 3: Cross multiply
   919,644x = 1,418,830 × 1,418,830
4. Step 4: Simplify right side
   919,644x = 2,013,078,568,900
5. Step 5: Solve for x
   x = 2,013,078,568,900/919,644
6. Step 6: Final answer
   x = 2,188,975.92