Finding the Third Proportional to 831,865 and 1,703,138

Step by Step Solution

1. Step 1: Write the proportion equation
   831,865 : 1,703,138 = 1,703,138 : x
2. Step 2: Convert to fraction form
   831,865/1,703,138 = 1,703,138/x
3. Step 3: Cross multiply
   831,865x = 1,703,138 × 1,703,138
4. Step 4: Simplify right side
   831,865x = 2,900,679,047,044
5. Step 5: Solve for x
   x = 2,900,679,047,044/831,865
6. Step 6: Final answer
   x = 3,486,958.88