Finding the Third Proportional to 644,958 and 1,016,928

Step by Step Solution

1. Step 1: Write the proportion equation
   644,958 : 1,016,928 = 1,016,928 : x
2. Step 2: Convert to fraction form
   644,958/1,016,928 = 1,016,928/x
3. Step 3: Cross multiply
   644,958x = 1,016,928 × 1,016,928
4. Step 4: Simplify right side
   644,958x = 1,034,142,557,184
5. Step 5: Solve for x
   x = 1,034,142,557,184/644,958
6. Step 6: Final answer
   x = 1,603,426.20