Finding the Third Proportional to 3,559,039 and 5,515,490

Step by Step Solution

1. Step 1: Write the proportion equation
   3,559,039 : 5,515,490 = 5,515,490 : x
2. Step 2: Convert to fraction form
   3,559,039/5,515,490 = 5,515,490/x
3. Step 3: Cross multiply
   3,559,039x = 5,515,490 × 5,515,490
4. Step 4: Simplify right side
   3,559,039x = 30,420,629,940,100
5. Step 5: Solve for x
   x = 30,420,629,940,100/3,559,039
6. Step 6: Final answer
   x = 8,547,428.10