Finding the Third Proportional to 3,867,490 and 8,196,018

Step by Step Solution

1. Step 1: Write the proportion equation
   3,867,490 : 8,196,018 = 8,196,018 : x
2. Step 2: Convert to fraction form
   3,867,490/8,196,018 = 8,196,018/x
3. Step 3: Cross multiply
   3,867,490x = 8,196,018 × 8,196,018
4. Step 4: Simplify right side
   3,867,490x = 67,174,711,056,324
5. Step 5: Solve for x
   x = 67,174,711,056,324/3,867,490
6. Step 6: Final answer
   x = 17,369,071.69