Finding the Third Proportional to 353,216 and 756,936

Step by Step Solution

1. Step 1: Write the proportion equation
   353,216 : 756,936 = 756,936 : x
2. Step 2: Convert to fraction form
   353,216/756,936 = 756,936/x
3. Step 3: Cross multiply
   353,216x = 756,936 × 756,936
4. Step 4: Simplify right side
   353,216x = 572,952,108,096
5. Step 5: Solve for x
   x = 572,952,108,096/353,216
6. Step 6: Final answer
   x = 1,622,101.23