Finding the Third Proportional to 300,636 and 483,536.25

Step by Step Solution

1. Step 1: Write the proportion equation
   300,636 : 483,536.25 = 483,536.25 : x
2. Step 2: Convert to fraction form
   300,636/483,536.25 = 483,536.25/x
3. Step 3: Cross multiply
   300,636x = 483,536.25 × 483,536.25
4. Step 4: Simplify right side
   300,636x = 233,807,305,064.06
5. Step 5: Solve for x
   x = 233,807,305,064.06/300,636
6. Step 6: Final answer
   x = 777,708.94