Finding the Third Proportional to 355,256 and 760,896

Step by Step Solution

1. Step 1: Write the proportion equation
   355,256 : 760,896 = 760,896 : x
2. Step 2: Convert to fraction form
   355,256/760,896 = 760,896/x
3. Step 3: Cross multiply
   355,256x = 760,896 × 760,896
4. Step 4: Simplify right side
   355,256x = 578,962,722,816
5. Step 5: Solve for x
   x = 578,962,722,816/355,256
6. Step 6: Final answer
   x = 1,629,705.68