Finding the Third Proportional to 678,954 and 1,020,132

Step by Step Solution

1. Step 1: Write the proportion equation
   678,954 : 1,020,132 = 1,020,132 : x
2. Step 2: Convert to fraction form
   678,954/1,020,132 = 1,020,132/x
3. Step 3: Cross multiply
   678,954x = 1,020,132 × 1,020,132
4. Step 4: Simplify right side
   678,954x = 1,040,669,297,424
5. Step 5: Solve for x
   x = 1,040,669,297,424/678,954
6. Step 6: Final answer
   x = 1,532,753.76