Finding the Third Proportional to 843,920 and 1,819,810

Step by Step Solution

1. Step 1: Write the proportion equation
   843,920 : 1,819,810 = 1,819,810 : x
2. Step 2: Convert to fraction form
   843,920/1,819,810 = 1,819,810/x
3. Step 3: Cross multiply
   843,920x = 1,819,810 × 1,819,810
4. Step 4: Simplify right side
   843,920x = 3,311,708,436,100
5. Step 5: Solve for x
   x = 3,311,708,436,100/843,920
6. Step 6: Final answer
   x = 3,924,197.12