Finding the Third Proportional to 2,356,489 and 3,603,210

Step by Step Solution

1. Step 1: Write the proportion equation
   2,356,489 : 3,603,210 = 3,603,210 : x
2. Step 2: Convert to fraction form
   2,356,489/3,603,210 = 3,603,210/x
3. Step 3: Cross multiply
   2,356,489x = 3,603,210 × 3,603,210
4. Step 4: Simplify right side
   2,356,489x = 12,983,122,304,100
5. Step 5: Solve for x
   x = 12,983,122,304,100/2,356,489
6. Step 6: Final answer
   x = 5,509,519.59