Finding the Third Proportional to 485,292 and 1,020,768

Step by Step Solution

1. Step 1: Write the proportion equation
   485,292 : 1,020,768 = 1,020,768 : x
2. Step 2: Convert to fraction form
   485,292/1,020,768 = 1,020,768/x
3. Step 3: Cross multiply
   485,292x = 1,020,768 × 1,020,768
4. Step 4: Simplify right side
   485,292x = 1,041,967,309,824
5. Step 5: Solve for x
   x = 1,041,967,309,824/485,292
6. Step 6: Final answer
   x = 2,147,093.52