Finding the Third Proportional to 308,230 and 483,644

Step by Step Solution

1. Step 1: Write the proportion equation
   308,230 : 483,644 = 483,644 : x
2. Step 2: Convert to fraction form
   308,230/483,644 = 483,644/x
3. Step 3: Cross multiply
   308,230x = 483,644 × 483,644
4. Step 4: Simplify right side
   308,230x = 233,911,518,736
5. Step 5: Solve for x
   x = 233,911,518,736/308,230
6. Step 6: Final answer
   x = 758,886.28