Finding the Third Proportional to 843,512 and 1,819,888

Step by Step Solution

1. Step 1: Write the proportion equation
   843,512 : 1,819,888 = 1,819,888 : x
2. Step 2: Convert to fraction form
   843,512/1,819,888 = 1,819,888/x
3. Step 3: Cross multiply
   843,512x = 1,819,888 × 1,819,888
4. Step 4: Simplify right side
   843,512x = 3,311,992,332,544
5. Step 5: Solve for x
   x = 3,311,992,332,544/843,512
6. Step 6: Final answer
   x = 3,926,431.79