Finding the Third Proportional to 864,266 and 1,146,849

Step by Step Solution

1. Step 1: Write the proportion equation
   864,266 : 1,146,849 = 1,146,849 : x
2. Step 2: Convert to fraction form
   864,266/1,146,849 = 1,146,849/x
3. Step 3: Cross multiply
   864,266x = 1,146,849 × 1,146,849
4. Step 4: Simplify right side
   864,266x = 1,315,262,628,801
5. Step 5: Solve for x
   x = 1,315,262,628,801/864,266
6. Step 6: Final answer
   x = 1,521,826.18