Finding the Third Proportional to 611,986 and 1,325,654

Step by Step Solution

1. Step 1: Write the proportion equation
   611,986 : 1,325,654 = 1,325,654 : x
2. Step 2: Convert to fraction form
   611,986/1,325,654 = 1,325,654/x
3. Step 3: Cross multiply
   611,986x = 1,325,654 × 1,325,654
4. Step 4: Simplify right side
   611,986x = 1,757,358,527,716
5. Step 5: Solve for x
   x = 1,757,358,527,716/611,986
6. Step 6: Final answer
   x = 2,871,566.55