Finding the Third Proportional to 874,694 and 1,819,218

Step by Step Solution

1. Step 1: Write the proportion equation
   874,694 : 1,819,218 = 1,819,218 : x
2. Step 2: Convert to fraction form
   874,694/1,819,218 = 1,819,218/x
3. Step 3: Cross multiply
   874,694x = 1,819,218 × 1,819,218
4. Step 4: Simplify right side
   874,694x = 3,309,554,131,524
5. Step 5: Solve for x
   x = 3,309,554,131,524/874,694
6. Step 6: Final answer
   x = 3,783,670.78