Finding the Third Proportional to 301,118.50 and 668,666

Step by Step Solution

1. Step 1: Write the proportion equation
   301,118.50 : 668,666 = 668,666 : x
2. Step 2: Convert to fraction form
   301,118.50/668,666 = 668,666/x
3. Step 3: Cross multiply
   301,118.50x = 668,666 × 668,666
4. Step 4: Simplify right side
   301,118.50x = 447,114,219,556
5. Step 5: Solve for x
   x = 447,114,219,556/301,118.50
6. Step 6: Final answer
   x = 1,484,844.74