Finding the Third Proportional to 220,700 and 472,504

Step by Step Solution

1. Step 1: Write the proportion equation
   220,700 : 472,504 = 472,504 : x
2. Step 2: Convert to fraction form
   220,700/472,504 = 472,504/x
3. Step 3: Cross multiply
   220,700x = 472,504 × 472,504
4. Step 4: Simplify right side
   220,700x = 223,260,030,016
5. Step 5: Solve for x
   x = 223,260,030,016/220,700
6. Step 6: Final answer
   x = 1,011,599.59