Finding the Third Proportional to 611,903 and 1,325,503

Step by Step Solution

1. Step 1: Write the proportion equation
   611,903 : 1,325,503 = 1,325,503 : x
2. Step 2: Convert to fraction form
   611,903/1,325,503 = 1,325,503/x
3. Step 3: Cross multiply
   611,903x = 1,325,503 × 1,325,503
4. Step 4: Simplify right side
   611,903x = 1,756,958,203,009
5. Step 5: Solve for x
   x = 1,756,958,203,009/611,903
6. Step 6: Final answer
   x = 2,871,301.83