Finding the Third Proportional to 4,066,118 and 5,420,745

Step by Step Solution

1. Step 1: Write the proportion equation
   4,066,118 : 5,420,745 = 5,420,745 : x
2. Step 2: Convert to fraction form
   4,066,118/5,420,745 = 5,420,745/x
3. Step 3: Cross multiply
   4,066,118x = 5,420,745 × 5,420,745
4. Step 4: Simplify right side
   4,066,118x = 29,384,476,355,025
5. Step 5: Solve for x
   x = 29,384,476,355,025/4,066,118
6. Step 6: Final answer
   x = 7,226,665.91