Finding the Third Proportional to 1,644,312 and 3,586,648

Step by Step Solution

1. Step 1: Write the proportion equation
   1,644,312 : 3,586,648 = 3,586,648 : x
2. Step 2: Convert to fraction form
   1,644,312/3,586,648 = 3,586,648/x
3. Step 3: Cross multiply
   1,644,312x = 3,586,648 × 3,586,648
4. Step 4: Simplify right side
   1,644,312x = 12,864,043,875,904
5. Step 5: Solve for x
   x = 12,864,043,875,904/1,644,312
6. Step 6: Final answer
   x = 7,823,359.48