Finding the Third Proportional to 304,686 and 660,222

Step by Step Solution

1. Step 1: Write the proportion equation
   304,686 : 660,222 = 660,222 : x
2. Step 2: Convert to fraction form
   304,686/660,222 = 660,222/x
3. Step 3: Cross multiply
   304,686x = 660,222 × 660,222
4. Step 4: Simplify right side
   304,686x = 435,893,089,284
5. Step 5: Solve for x
   x = 435,893,089,284/304,686
6. Step 6: Final answer
   x = 1,430,630.52