Finding the Third Proportional to 831,508 and 1,808,792

Step by Step Solution

1. Step 1: Write the proportion equation
   831,508 : 1,808,792 = 1,808,792 : x
2. Step 2: Convert to fraction form
   831,508/1,808,792 = 1,808,792/x
3. Step 3: Cross multiply
   831,508x = 1,808,792 × 1,808,792
4. Step 4: Simplify right side
   831,508x = 3,271,728,499,264
5. Step 5: Solve for x
   x = 3,271,728,499,264/831,508
6. Step 6: Final answer
   x = 3,934,692.75