Finding the Third Proportional to 1,644,246 and 3,586,518

Step by Step Solution

1. Step 1: Write the proportion equation
   1,644,246 : 3,586,518 = 3,586,518 : x
2. Step 2: Convert to fraction form
   1,644,246/3,586,518 = 3,586,518/x
3. Step 3: Cross multiply
   1,644,246x = 3,586,518 × 3,586,518
4. Step 4: Simplify right side
   1,644,246x = 12,863,111,364,324
5. Step 5: Solve for x
   x = 12,863,111,364,324/1,644,246
6. Step 6: Final answer
   x = 7,823,106.37