Finding the Third Proportional to 777,262 and 1,143,666

Step by Step Solution

1. Step 1: Write the proportion equation
   777,262 : 1,143,666 = 1,143,666 : x
2. Step 2: Convert to fraction form
   777,262/1,143,666 = 1,143,666/x
3. Step 3: Cross multiply
   777,262x = 1,143,666 × 1,143,666
4. Step 4: Simplify right side
   777,262x = 1,307,971,919,556
5. Step 5: Solve for x
   x = 1,307,971,919,556/777,262
6. Step 6: Final answer
   x = 1,682,794.12