Finding the Third Proportional to 4,065,798 and 5,420,325

Step by Step Solution

1. Step 1: Write the proportion equation
   4,065,798 : 5,420,325 = 5,420,325 : x
2. Step 2: Convert to fraction form
   4,065,798/5,420,325 = 5,420,325/x
3. Step 3: Cross multiply
   4,065,798x = 5,420,325 × 5,420,325
4. Step 4: Simplify right side
   4,065,798x = 29,379,923,105,625
5. Step 5: Solve for x
   x = 29,379,923,105,625/4,065,798
6. Step 6: Final answer
   x = 7,226,114.80