Finding the Third Proportional to 641,522 and 998,004

Step by Step Solution

1. Step 1: Write the proportion equation
   641,522 : 998,004 = 998,004 : x
2. Step 2: Convert to fraction form
   641,522/998,004 = 998,004/x
3. Step 3: Cross multiply
   641,522x = 998,004 × 998,004
4. Step 4: Simplify right side
   641,522x = 996,011,984,016
5. Step 5: Solve for x
   x = 996,011,984,016/641,522
6. Step 6: Final answer
   x = 1,552,576.50