Finding the Third Proportional to 3,945,195 and 8,499,837

Step by Step Solution

1. Step 1: Write the proportion equation
   3,945,195 : 8,499,837 = 8,499,837 : x
2. Step 2: Convert to fraction form
   3,945,195/8,499,837 = 8,499,837/x
3. Step 3: Cross multiply
   3,945,195x = 8,499,837 × 8,499,837
4. Step 4: Simplify right side
   3,945,195x = 72,247,229,026,569
5. Step 5: Solve for x
   x = 72,247,229,026,569/3,945,195
6. Step 6: Final answer
   x = 18,312,714.33