Finding the Third Proportional to 3,945,197 and 8,499,841

Step by Step Solution

1. Step 1: Write the proportion equation
   3,945,197 : 8,499,841 = 8,499,841 : x
2. Step 2: Convert to fraction form
   3,945,197/8,499,841 = 8,499,841/x
3. Step 3: Cross multiply
   3,945,197x = 8,499,841 × 8,499,841
4. Step 4: Simplify right side
   3,945,197x = 72,247,297,025,281
5. Step 5: Solve for x
   x = 72,247,297,025,281/3,945,197
6. Step 6: Final answer
   x = 18,312,722.29