Finding the Third Proportional to 3,837,576 and 8,396,178

Step by Step Solution

1. Step 1: Write the proportion equation
   3,837,576 : 8,396,178 = 8,396,178 : x
2. Step 2: Convert to fraction form
   3,837,576/8,396,178 = 8,396,178/x
3. Step 3: Cross multiply
   3,837,576x = 8,396,178 × 8,396,178
4. Step 4: Simplify right side
   3,837,576x = 70,495,805,007,684
5. Step 5: Solve for x
   x = 70,495,805,007,684/3,837,576
6. Step 6: Final answer
   x = 18,369,878.54