Finding the Third Proportional to 3,380,820 and 7,517,544

Step by Step Solution

1. Step 1: Write the proportion equation
   3,380,820 : 7,517,544 = 7,517,544 : x
2. Step 2: Convert to fraction form
   3,380,820/7,517,544 = 7,517,544/x
3. Step 3: Cross multiply
   3,380,820x = 7,517,544 × 7,517,544
4. Step 4: Simplify right side
   3,380,820x = 56,513,467,791,936
5. Step 5: Solve for x
   x = 56,513,467,791,936/3,380,820
6. Step 6: Final answer
   x = 16,715,905.55