Finding the Third Proportional to 611,880 and 1,325,436

Step by Step Solution

1. Step 1: Write the proportion equation
   611,880 : 1,325,436 = 1,325,436 : x
2. Step 2: Convert to fraction form
   611,880/1,325,436 = 1,325,436/x
3. Step 3: Cross multiply
   611,880x = 1,325,436 × 1,325,436
4. Step 4: Simplify right side
   611,880x = 1,756,780,590,096
5. Step 5: Solve for x
   x = 1,756,780,590,096/611,880
6. Step 6: Final answer
   x = 2,871,119.48