Finding the Third Proportional to 831,856 and 1,703,128

Step by Step Solution

1. Step 1: Write the proportion equation
   831,856 : 1,703,128 = 1,703,128 : x
2. Step 2: Convert to fraction form
   831,856/1,703,128 = 1,703,128/x
3. Step 3: Cross multiply
   831,856x = 1,703,128 × 1,703,128
4. Step 4: Simplify right side
   831,856x = 2,900,644,984,384
5. Step 5: Solve for x
   x = 2,900,644,984,384/831,856
6. Step 6: Final answer
   x = 3,486,955.66