Finding the Third Proportional to 3,509,600 and 7,620,544

Step by Step Solution

1. Step 1: Write the proportion equation
   3,509,600 : 7,620,544 = 7,620,544 : x
2. Step 2: Convert to fraction form
   3,509,600/7,620,544 = 7,620,544/x
3. Step 3: Cross multiply
   3,509,600x = 7,620,544 × 7,620,544
4. Step 4: Simplify right side
   3,509,600x = 58,072,690,855,936
5. Step 5: Solve for x
   x = 58,072,690,855,936/3,509,600
6. Step 6: Final answer
   x = 16,546,811.85