Finding the Third Proportional to 449,332 and 978,010

Step by Step Solution

1. Step 1: Write the proportion equation
   449,332 : 978,010 = 978,010 : x
2. Step 2: Convert to fraction form
   449,332/978,010 = 978,010/x
3. Step 3: Cross multiply
   449,332x = 978,010 × 978,010
4. Step 4: Simplify right side
   449,332x = 956,503,560,100
5. Step 5: Solve for x
   x = 956,503,560,100/449,332
6. Step 6: Final answer
   x = 2,128,723.44