Finding the Third Proportional to 611,876 and 1,325,428

Step by Step Solution

1. Step 1: Write the proportion equation
   611,876 : 1,325,428 = 1,325,428 : x
2. Step 2: Convert to fraction form
   611,876/1,325,428 = 1,325,428/x
3. Step 3: Cross multiply
   611,876x = 1,325,428 × 1,325,428
4. Step 4: Simplify right side
   611,876x = 1,756,759,383,184
5. Step 5: Solve for x
   x = 1,756,759,383,184/611,876
6. Step 6: Final answer
   x = 2,871,103.59