Finding the Third Proportional to 787,874 and 1,728,928

Step by Step Solution

1. Step 1: Write the proportion equation
   787,874 : 1,728,928 = 1,728,928 : x
2. Step 2: Convert to fraction form
   787,874/1,728,928 = 1,728,928/x
3. Step 3: Cross multiply
   787,874x = 1,728,928 × 1,728,928
4. Step 4: Simplify right side
   787,874x = 2,989,192,029,184
5. Step 5: Solve for x
   x = 2,989,192,029,184/787,874
6. Step 6: Final answer
   x = 3,793,997.55