Finding the Third Proportional to 449,369 and 978,091

Step by Step Solution

1. Step 1: Write the proportion equation
   449,369 : 978,091 = 978,091 : x
2. Step 2: Convert to fraction form
   449,369/978,091 = 978,091/x
3. Step 3: Cross multiply
   449,369x = 978,091 × 978,091
4. Step 4: Simplify right side
   449,369x = 956,662,004,281
5. Step 5: Solve for x
   x = 956,662,004,281/449,369
6. Step 6: Final answer
   x = 2,128,900.76