Finding the Third Proportional to 831,714 and 1,253,484

Step by Step Solution

1. Step 1: Write the proportion equation
   831,714 : 1,253,484 = 1,253,484 : x
2. Step 2: Convert to fraction form
   831,714/1,253,484 = 1,253,484/x
3. Step 3: Cross multiply
   831,714x = 1,253,484 × 1,253,484
4. Step 4: Simplify right side
   831,714x = 1,571,222,138,256
5. Step 5: Solve for x
   x = 1,571,222,138,256/831,714
6. Step 6: Final answer
   x = 1,889,137.54