Finding the Third Proportional to 3,191,977 and 4,478,976

Step by Step Solution

1. Step 1: Write the proportion equation
   3,191,977 : 4,478,976 = 4,478,976 : x
2. Step 2: Convert to fraction form
   3,191,977/4,478,976 = 4,478,976/x
3. Step 3: Cross multiply
   3,191,977x = 4,478,976 × 4,478,976
4. Step 4: Simplify right side
   3,191,977x = 20,061,226,008,576
5. Step 5: Solve for x
   x = 20,061,226,008,576/3,191,977
6. Step 6: Final answer
   x = 6,284,890.53