Finding the Third Proportional to 1,518,734 and 3,340,636

Step by Step Solution

1. Step 1: Write the proportion equation
   1,518,734 : 3,340,636 = 3,340,636 : x
2. Step 2: Convert to fraction form
   1,518,734/3,340,636 = 3,340,636/x
3. Step 3: Cross multiply
   1,518,734x = 3,340,636 × 3,340,636
4. Step 4: Simplify right side
   1,518,734x = 11,159,848,884,496
5. Step 5: Solve for x
   x = 11,159,848,884,496/1,518,734
6. Step 6: Final answer
   x = 7,348,126.06