Finding the Third Proportional to 42,449,018 and 67,324,355

Step by Step Solution

1. Step 1: Write the proportion equation
   42,449,018 : 67,324,355 = 67,324,355 : x
2. Step 2: Convert to fraction form
   42,449,018/67,324,355 = 67,324,355/x
3. Step 3: Cross multiply
   42,449,018x = 67,324,355 × 67,324,355
4. Step 4: Simplify right side
   42,449,018x = 4,532,568,776,166,025
5. Step 5: Solve for x
   x = 4,532,568,776,166,025/42,449,018
6. Step 6: Final answer
   x = 106,776,763.98