Finding the Third Proportional to 477,400 and 1,040,012

Step by Step Solution

1. Step 1: Write the proportion equation
   477,400 : 1,040,012 = 1,040,012 : x
2. Step 2: Convert to fraction form
   477,400/1,040,012 = 1,040,012/x
3. Step 3: Cross multiply
   477,400x = 1,040,012 × 1,040,012
4. Step 4: Simplify right side
   477,400x = 1,081,624,960,144
5. Step 5: Solve for x
   x = 1,081,624,960,144/477,400
6. Step 6: Final answer
   x = 2,265,657.65