Finding the Third Proportional to 219,758 and 472,636

Step by Step Solution

1. Step 1: Write the proportion equation
   219,758 : 472,636 = 472,636 : x
2. Step 2: Convert to fraction form
   219,758/472,636 = 472,636/x
3. Step 3: Cross multiply
   219,758x = 472,636 × 472,636
4. Step 4: Simplify right side
   219,758x = 223,384,788,496
5. Step 5: Solve for x
   x = 223,384,788,496/219,758
6. Step 6: Final answer
   x = 1,016,503.56