Finding the Third Proportional to 864,351 and 1,886,166

Step by Step Solution

1. Step 1: Write the proportion equation
   864,351 : 1,886,166 = 1,886,166 : x
2. Step 2: Convert to fraction form
   864,351/1,886,166 = 1,886,166/x
3. Step 3: Cross multiply
   864,351x = 1,886,166 × 1,886,166
4. Step 4: Simplify right side
   864,351x = 3,557,622,179,556
5. Step 5: Solve for x
   x = 3,557,622,179,556/864,351
6. Step 6: Final answer
   x = 4,115,946.16