Finding the Third Proportional to 3,867,576 and 8,196,172

Step by Step Solution

1. Step 1: Write the proportion equation
   3,867,576 : 8,196,172 = 8,196,172 : x
2. Step 2: Convert to fraction form
   3,867,576/8,196,172 = 8,196,172/x
3. Step 3: Cross multiply
   3,867,576x = 8,196,172 × 8,196,172
4. Step 4: Simplify right side
   3,867,576x = 67,177,235,453,584
5. Step 5: Solve for x
   x = 67,177,235,453,584/3,867,576
6. Step 6: Final answer
   x = 17,369,338.17