Finding the Third Proportional to 485,091 and 1,020,451

Step by Step Solution

1. Step 1: Write the proportion equation
   485,091 : 1,020,451 = 1,020,451 : x
2. Step 2: Convert to fraction form
   485,091/1,020,451 = 1,020,451/x
3. Step 3: Cross multiply
   485,091x = 1,020,451 × 1,020,451
4. Step 4: Simplify right side
   485,091x = 1,041,320,243,401
5. Step 5: Solve for x
   x = 1,041,320,243,401/485,091
6. Step 6: Final answer
   x = 2,146,649.27