Finding the Third Proportional to 1,600,640 and 2,441,608

Step by Step Solution

1. Step 1: Write the proportion equation
   1,600,640 : 2,441,608 = 2,441,608 : x
2. Step 2: Convert to fraction form
   1,600,640/2,441,608 = 2,441,608/x
3. Step 3: Cross multiply
   1,600,640x = 2,441,608 × 2,441,608
4. Step 4: Simplify right side
   1,600,640x = 5,961,449,625,664
5. Step 5: Solve for x
   x = 5,961,449,625,664/1,600,640
6. Step 6: Final answer
   x = 3,724,416.25