Finding the Third Proportional to 1,644,325 and 3,586,670

Step by Step Solution

1. Step 1: Write the proportion equation
   1,644,325 : 3,586,670 = 3,586,670 : x
2. Step 2: Convert to fraction form
   1,644,325/3,586,670 = 3,586,670/x
3. Step 3: Cross multiply
   1,644,325x = 3,586,670 × 3,586,670
4. Step 4: Simplify right side
   1,644,325x = 12,864,201,688,900
5. Step 5: Solve for x
   x = 12,864,201,688,900/1,644,325
6. Step 6: Final answer
   x = 7,823,393.60