Finding the Third Proportional to 2,570,247 and 5,644,978

Step by Step Solution

1. Step 1: Write the proportion equation
   2,570,247 : 5,644,978 = 5,644,978 : x
2. Step 2: Convert to fraction form
   2,570,247/5,644,978 = 5,644,978/x
3. Step 3: Cross multiply
   2,570,247x = 5,644,978 × 5,644,978
4. Step 4: Simplify right side
   2,570,247x = 31,865,776,620,484
5. Step 5: Solve for x
   x = 31,865,776,620,484/2,570,247
6. Step 6: Final answer
   x = 12,397,943.32