Finding the Third Proportional to 831,870 and 1,703,145

Step by Step Solution

1. Step 1: Write the proportion equation
   831,870 : 1,703,145 = 1,703,145 : x
2. Step 2: Convert to fraction form
   831,870/1,703,145 = 1,703,145/x
3. Step 3: Cross multiply
   831,870x = 1,703,145 × 1,703,145
4. Step 4: Simplify right side
   831,870x = 2,900,702,891,025
5. Step 5: Solve for x
   x = 2,900,702,891,025/831,870
6. Step 6: Final answer
   x = 3,486,966.58