Finding the Third Proportional to 308,398 and 483,896

Step by Step Solution

1. Step 1: Write the proportion equation
   308,398 : 483,896 = 483,896 : x
2. Step 2: Convert to fraction form
   308,398/483,896 = 483,896/x
3. Step 3: Cross multiply
   308,398x = 483,896 × 483,896
4. Step 4: Simplify right side
   308,398x = 234,155,338,816
5. Step 5: Solve for x
   x = 234,155,338,816/308,398
6. Step 6: Final answer
   x = 759,263.48