Finding the Third Proportional to 485,990 and 1,051,852

Step by Step Solution

1. Step 1: Write the proportion equation
   485,990 : 1,051,852 = 1,051,852 : x
2. Step 2: Convert to fraction form
   485,990/1,051,852 = 1,051,852/x
3. Step 3: Cross multiply
   485,990x = 1,051,852 × 1,051,852
4. Step 4: Simplify right side
   485,990x = 1,106,392,629,904
5. Step 5: Solve for x
   x = 1,106,392,629,904/485,990
6. Step 6: Final answer
   x = 2,276,574.89