Finding the Third Proportional to 1,644,316 and 3,586,652

Step by Step Solution

1. Step 1: Write the proportion equation
   1,644,316 : 3,586,652 = 3,586,652 : x
2. Step 2: Convert to fraction form
   1,644,316/3,586,652 = 3,586,652/x
3. Step 3: Cross multiply
   1,644,316x = 3,586,652 × 3,586,652
4. Step 4: Simplify right side
   1,644,316x = 12,864,072,569,104
5. Step 5: Solve for x
   x = 12,864,072,569,104/1,644,316
6. Step 6: Final answer
   x = 7,823,357.90