Finding the Third Proportional to 3,578,997 and 5,420,592

Step by Step Solution

1. Step 1: Write the proportion equation
   3,578,997 : 5,420,592 = 5,420,592 : x
2. Step 2: Convert to fraction form
   3,578,997/5,420,592 = 5,420,592/x
3. Step 3: Cross multiply
   3,578,997x = 5,420,592 × 5,420,592
4. Step 4: Simplify right side
   3,578,997x = 29,382,817,630,464
5. Step 5: Solve for x
   x = 29,382,817,630,464/3,578,997
6. Step 6: Final answer
   x = 8,209,791.08