Finding the Third Proportional to 831,811 and 1,703,039

Step by Step Solution

1. Step 1: Write the proportion equation
   831,811 : 1,703,039 = 1,703,039 : x
2. Step 2: Convert to fraction form
   831,811/1,703,039 = 1,703,039/x
3. Step 3: Cross multiply
   831,811x = 1,703,039 × 1,703,039
4. Step 4: Simplify right side
   831,811x = 2,900,341,835,521
5. Step 5: Solve for x
   x = 2,900,341,835,521/831,811
6. Step 6: Final answer
   x = 3,486,779.85