Finding the Third Proportional to 2,864,354 and 6,239,978

Step by Step Solution

1. Step 1: Write the proportion equation
   2,864,354 : 6,239,978 = 6,239,978 : x
2. Step 2: Convert to fraction form
   2,864,354/6,239,978 = 6,239,978/x
3. Step 3: Cross multiply
   2,864,354x = 6,239,978 × 6,239,978
4. Step 4: Simplify right side
   2,864,354x = 38,937,325,440,484
5. Step 5: Solve for x
   x = 38,937,325,440,484/2,864,354
6. Step 6: Final answer
   x = 13,593,754.63