Finding the Third Proportional to 219,634 and 479,544

Step by Step Solution

1. Step 1: Write the proportion equation
   219,634 : 479,544 = 479,544 : x
2. Step 2: Convert to fraction form
   219,634/479,544 = 479,544/x
3. Step 3: Cross multiply
   219,634x = 479,544 × 479,544
4. Step 4: Simplify right side
   219,634x = 229,962,447,936
5. Step 5: Solve for x
   x = 229,962,447,936/219,634
6. Step 6: Final answer
   x = 1,047,025.72