Finding the Third Proportional to 291,540 and 629,016

Step by Step Solution

1. Step 1: Write the proportion equation
   291,540 : 629,016 = 629,016 : x
2. Step 2: Convert to fraction form
   291,540/629,016 = 629,016/x
3. Step 3: Cross multiply
   291,540x = 629,016 × 629,016
4. Step 4: Simplify right side
   291,540x = 395,661,128,256
5. Step 5: Solve for x
   x = 395,661,128,256/291,540
6. Step 6: Final answer
   x = 1,357,141.83