Finding the Third Proportional to 219,628 and 479,532

Step by Step Solution

1. Step 1: Write the proportion equation
   219,628 : 479,532 = 479,532 : x
2. Step 2: Convert to fraction form
   219,628/479,532 = 479,532/x
3. Step 3: Cross multiply
   219,628x = 479,532 × 479,532
4. Step 4: Simplify right side
   219,628x = 229,950,939,024
5. Step 5: Solve for x
   x = 229,950,939,024/219,628
6. Step 6: Final answer
   x = 1,047,001.93