Finding the Third Proportional to 1,644,310 and 3,586,644

Step by Step Solution

1. Step 1: Write the proportion equation
   1,644,310 : 3,586,644 = 3,586,644 : x
2. Step 2: Convert to fraction form
   1,644,310/3,586,644 = 3,586,644/x
3. Step 3: Cross multiply
   1,644,310x = 3,586,644 × 3,586,644
4. Step 4: Simplify right side
   1,644,310x = 12,864,015,182,736
5. Step 5: Solve for x
   x = 12,864,015,182,736/1,644,310
6. Step 6: Final answer
   x = 7,823,351.55