Finding the Third Proportional to 831,108 and 1,819,858

Step by Step Solution

1. Step 1: Write the proportion equation
   831,108 : 1,819,858 = 1,819,858 : x
2. Step 2: Convert to fraction form
   831,108/1,819,858 = 1,819,858/x
3. Step 3: Cross multiply
   831,108x = 1,819,858 × 1,819,858
4. Step 4: Simplify right side
   831,108x = 3,311,883,140,164
5. Step 5: Solve for x
   x = 3,311,883,140,164/831,108
6. Step 6: Final answer
   x = 3,984,901.05