Finding the Third Proportional to 475,459 and 972,780

Step by Step Solution

1. Step 1: Write the proportion equation
   475,459 : 972,780 = 972,780 : x
2. Step 2: Convert to fraction form
   475,459/972,780 = 972,780/x
3. Step 3: Cross multiply
   475,459x = 972,780 × 972,780
4. Step 4: Simplify right side
   475,459x = 946,300,928,400
5. Step 5: Solve for x
   x = 946,300,928,400/475,459
6. Step 6: Final answer
   x = 1,990,289.23