Finding the Third Proportional to 946,978 and 1,275,878

Step by Step Solution

1. Step 1: Write the proportion equation
   946,978 : 1,275,878 = 1,275,878 : x
2. Step 2: Convert to fraction form
   946,978/1,275,878 = 1,275,878/x
3. Step 3: Cross multiply
   946,978x = 1,275,878 × 1,275,878
4. Step 4: Simplify right side
   946,978x = 1,627,864,670,884
5. Step 5: Solve for x
   x = 1,627,864,670,884/946,978
6. Step 6: Final answer
   x = 1,719,010.02