Finding the Third Proportional to 449,910 and 978,550

Step by Step Solution

1. Step 1: Write the proportion equation
   449,910 : 978,550 = 978,550 : x
2. Step 2: Convert to fraction form
   449,910/978,550 = 978,550/x
3. Step 3: Cross multiply
   449,910x = 978,550 × 978,550
4. Step 4: Simplify right side
   449,910x = 957,560,102,500
5. Step 5: Solve for x
   x = 957,560,102,500/449,910
6. Step 6: Final answer
   x = 2,128,337.01