Finding the Third Proportional to 485,488 and 743,016

Step by Step Solution

1. Step 1: Write the proportion equation
   485,488 : 743,016 = 743,016 : x
2. Step 2: Convert to fraction form
   485,488/743,016 = 743,016/x
3. Step 3: Cross multiply
   485,488x = 743,016 × 743,016
4. Step 4: Simplify right side
   485,488x = 552,072,776,256
5. Step 5: Solve for x
   x = 552,072,776,256/485,488
6. Step 6: Final answer
   x = 1,137,150.20