Finding the Third Proportional to 831,168 and 1,817,856

Step by Step Solution

1. Step 1: Write the proportion equation
   831,168 : 1,817,856 = 1,817,856 : x
2. Step 2: Convert to fraction form
   831,168/1,817,856 = 1,817,856/x
3. Step 3: Cross multiply
   831,168x = 1,817,856 × 1,817,856
4. Step 4: Simplify right side
   831,168x = 3,304,600,436,736
5. Step 5: Solve for x
   x = 3,304,600,436,736/831,168
6. Step 6: Final answer
   x = 3,975,851.38