Finding the Third Proportional to 843,912 and 1,819,800

Step by Step Solution

1. Step 1: Write the proportion equation
   843,912 : 1,819,800 = 1,819,800 : x
2. Step 2: Convert to fraction form
   843,912/1,819,800 = 1,819,800/x
3. Step 3: Cross multiply
   843,912x = 1,819,800 × 1,819,800
4. Step 4: Simplify right side
   843,912x = 3,311,672,040,000
5. Step 5: Solve for x
   x = 3,311,672,040,000/843,912
6. Step 6: Final answer
   x = 3,924,191.20