Finding the Third Proportional to 1,697,778 and 2,546,666

Step by Step Solution

1. Step 1: Write the proportion equation
   1,697,778 : 2,546,666 = 2,546,666 : x
2. Step 2: Convert to fraction form
   1,697,778/2,546,666 = 2,546,666/x
3. Step 3: Cross multiply
   1,697,778x = 2,546,666 × 2,546,666
4. Step 4: Simplify right side
   1,697,778x = 6,485,507,715,556
5. Step 5: Solve for x
   x = 6,485,507,715,556/1,697,778
6. Step 6: Final answer
   x = 3,819,997.50