Finding the Third Proportional to 3,741,768 and 8,219,988

Step by Step Solution

1. Step 1: Write the proportion equation
   3,741,768 : 8,219,988 = 8,219,988 : x
2. Step 2: Convert to fraction form
   3,741,768/8,219,988 = 8,219,988/x
3. Step 3: Cross multiply
   3,741,768x = 8,219,988 × 8,219,988
4. Step 4: Simplify right side
   3,741,768x = 67,568,202,720,144
5. Step 5: Solve for x
   x = 67,568,202,720,144/3,741,768
6. Step 6: Final answer
   x = 18,057,827.94