Finding the Third Proportional to 449,342 and 978,034

Step by Step Solution

1. Step 1: Write the proportion equation
   449,342 : 978,034 = 978,034 : x
2. Step 2: Convert to fraction form
   449,342/978,034 = 978,034/x
3. Step 3: Cross multiply
   449,342x = 978,034 × 978,034
4. Step 4: Simplify right side
   449,342x = 956,550,505,156
5. Step 5: Solve for x
   x = 956,550,505,156/449,342
6. Step 6: Final answer
   x = 2,128,780.54