Finding the Third Proportional to 670,351 and 1,428,401

Step by Step Solution

1. Step 1: Write the proportion equation
   670,351 : 1,428,401 = 1,428,401 : x
2. Step 2: Convert to fraction form
   670,351/1,428,401 = 1,428,401/x
3. Step 3: Cross multiply
   670,351x = 1,428,401 × 1,428,401
4. Step 4: Simplify right side
   670,351x = 2,040,329,416,801
5. Step 5: Solve for x
   x = 2,040,329,416,801/670,351
6. Step 6: Final answer
   x = 3,043,673.26