Finding the Third Proportional to 857,556 and 1,693,426

Step by Step Solution

1. Step 1: Write the proportion equation
   857,556 : 1,693,426 = 1,693,426 : x
2. Step 2: Convert to fraction form
   857,556/1,693,426 = 1,693,426/x
3. Step 3: Cross multiply
   857,556x = 1,693,426 × 1,693,426
4. Step 4: Simplify right side
   857,556x = 2,867,691,617,476
5. Step 5: Solve for x
   x = 2,867,691,617,476/857,556
6. Step 6: Final answer
   x = 3,344,028.40