Finding the Third Proportional to 1,518,720 and 3,340,608

Step by Step Solution

1. Step 1: Write the proportion equation
   1,518,720 : 3,340,608 = 3,340,608 : x
2. Step 2: Convert to fraction form
   1,518,720/3,340,608 = 3,340,608/x
3. Step 3: Cross multiply
   1,518,720x = 3,340,608 × 3,340,608
4. Step 4: Simplify right side
   1,518,720x = 11,159,661,809,664
5. Step 5: Solve for x
   x = 11,159,661,809,664/1,518,720
6. Step 6: Final answer
   x = 7,348,070.62