Finding the Third Proportional to 228,314 and 472,540

Step by Step Solution

1. Step 1: Write the proportion equation
   228,314 : 472,540 = 472,540 : x
2. Step 2: Convert to fraction form
   228,314/472,540 = 472,540/x
3. Step 3: Cross multiply
   228,314x = 472,540 × 472,540
4. Step 4: Simplify right side
   228,314x = 223,294,051,600
5. Step 5: Solve for x
   x = 223,294,051,600/228,314
6. Step 6: Final answer
   x = 978,012.96