Finding the Third Proportional to 831,870 and 1,802,736

Step by Step Solution

1. Step 1: Write the proportion equation
   831,870 : 1,802,736 = 1,802,736 : x
2. Step 2: Convert to fraction form
   831,870/1,802,736 = 1,802,736/x
3. Step 3: Cross multiply
   831,870x = 1,802,736 × 1,802,736
4. Step 4: Simplify right side
   831,870x = 3,249,857,085,696
5. Step 5: Solve for x
   x = 3,249,857,085,696/831,870
6. Step 6: Final answer
   x = 3,906,688.65