Finding the Third Proportional to 129,614 and 300,250

Step by Step Solution

1. Step 1: Write the proportion equation
   129,614 : 300,250 = 300,250 : x
2. Step 2: Convert to fraction form
   129,614/300,250 = 300,250/x
3. Step 3: Cross multiply
   129,614x = 300,250 × 300,250
4. Step 4: Simplify right side
   129,614x = 90,150,062,500
5. Step 5: Solve for x
   x = 90,150,062,500/129,614
6. Step 6: Final answer
   x = 695,527.20