Finding the Third Proportional to 3,551,112 and 7,766,568

Step by Step Solution

1. Step 1: Write the proportion equation
   3,551,112 : 7,766,568 = 7,766,568 : x
2. Step 2: Convert to fraction form
   3,551,112/7,766,568 = 7,766,568/x
3. Step 3: Cross multiply
   3,551,112x = 7,766,568 × 7,766,568
4. Step 4: Simplify right side
   3,551,112x = 60,319,578,498,624
5. Step 5: Solve for x
   x = 60,319,578,498,624/3,551,112
6. Step 6: Final answer
   x = 16,986,109.84