Finding the Third Proportional to 455,649 and 1,054,863

Step by Step Solution

1. Step 1: Write the proportion equation
   455,649 : 1,054,863 = 1,054,863 : x
2. Step 2: Convert to fraction form
   455,649/1,054,863 = 1,054,863/x
3. Step 3: Cross multiply
   455,649x = 1,054,863 × 1,054,863
4. Step 4: Simplify right side
   455,649x = 1,112,735,948,769
5. Step 5: Solve for x
   x = 1,112,735,948,769/455,649
6. Step 6: Final answer
   x = 2,442,090.18