Finding the Third Proportional to 2,444,478 and 3,869,857

Step by Step Solution

1. Step 1: Write the proportion equation
   2,444,478 : 3,869,857 = 3,869,857 : x
2. Step 2: Convert to fraction form
   2,444,478/3,869,857 = 3,869,857/x
3. Step 3: Cross multiply
   2,444,478x = 3,869,857 × 3,869,857
4. Step 4: Simplify right side
   2,444,478x = 14,975,793,200,449
5. Step 5: Solve for x
   x = 14,975,793,200,449/2,444,478
6. Step 6: Final answer
   x = 6,126,376.76