Finding the Third Proportional to 831,908 and 1,789,912

Step by Step Solution

1. Step 1: Write the proportion equation
   831,908 : 1,789,912 = 1,789,912 : x
2. Step 2: Convert to fraction form
   831,908/1,789,912 = 1,789,912/x
3. Step 3: Cross multiply
   831,908x = 1,789,912 × 1,789,912
4. Step 4: Simplify right side
   831,908x = 3,203,784,967,744
5. Step 5: Solve for x
   x = 3,203,784,967,744/831,908
6. Step 6: Final answer
   x = 3,851,128.93