Finding the Third Proportional to 3,560,218 and 5,509,278

Step by Step Solution

1. Step 1: Write the proportion equation
   3,560,218 : 5,509,278 = 5,509,278 : x
2. Step 2: Convert to fraction form
   3,560,218/5,509,278 = 5,509,278/x
3. Step 3: Cross multiply
   3,560,218x = 5,509,278 × 5,509,278
4. Step 4: Simplify right side
   3,560,218x = 30,352,144,081,284
5. Step 5: Solve for x
   x = 30,352,144,081,284/3,560,218
6. Step 6: Final answer
   x = 8,525,361.11