Finding the Third Proportional to 300,804 and 668,848.50

Step by Step Solution

1. Step 1: Write the proportion equation
   300,804 : 668,848.50 = 668,848.50 : x
2. Step 2: Convert to fraction form
   300,804/668,848.50 = 668,848.50/x
3. Step 3: Cross multiply
   300,804x = 668,848.50 × 668,848.50
4. Step 4: Simplify right side
   300,804x = 447,358,315,952.25
5. Step 5: Solve for x
   x = 447,358,315,952.25/300,804
6. Step 6: Final answer
   x = 1,487,208.67