Finding the Third Proportional to 3,662,820 and 5,603,130

Step by Step Solution

1. Step 1: Write the proportion equation
   3,662,820 : 5,603,130 = 5,603,130 : x
2. Step 2: Convert to fraction form
   3,662,820/5,603,130 = 5,603,130/x
3. Step 3: Cross multiply
   3,662,820x = 5,603,130 × 5,603,130
4. Step 4: Simplify right side
   3,662,820x = 31,395,065,796,900
5. Step 5: Solve for x
   x = 31,395,065,796,900/3,662,820
6. Step 6: Final answer
   x = 8,571,282.73