Finding the Third Proportional to 219,708 and 472,536

Step by Step Solution

1. Step 1: Write the proportion equation
   219,708 : 472,536 = 472,536 : x
2. Step 2: Convert to fraction form
   219,708/472,536 = 472,536/x
3. Step 3: Cross multiply
   219,708x = 472,536 × 472,536
4. Step 4: Simplify right side
   219,708x = 223,290,271,296
5. Step 5: Solve for x
   x = 223,290,271,296/219,708
6. Step 6: Final answer
   x = 1,016,304.69