Finding the Third Proportional to 308,396 and 483,893

Step by Step Solution

1. Step 1: Write the proportion equation
   308,396 : 483,893 = 483,893 : x
2. Step 2: Convert to fraction form
   308,396/483,893 = 483,893/x
3. Step 3: Cross multiply
   308,396x = 483,893 × 483,893
4. Step 4: Simplify right side
   308,396x = 234,152,435,449
5. Step 5: Solve for x
   x = 234,152,435,449/308,396
6. Step 6: Final answer
   x = 759,258.99