Finding the Third Proportional to 483,780 and 1,031,721

Step by Step Solution

1. Step 1: Write the proportion equation
   483,780 : 1,031,721 = 1,031,721 : x
2. Step 2: Convert to fraction form
   483,780/1,031,721 = 1,031,721/x
3. Step 3: Cross multiply
   483,780x = 1,031,721 × 1,031,721
4. Step 4: Simplify right side
   483,780x = 1,064,448,221,841
5. Step 5: Solve for x
   x = 1,064,448,221,841/483,780
6. Step 6: Final answer
   x = 2,200,273.31