Finding the Third Proportional to 219,271 and 479,123

Step by Step Solution

1. Step 1: Write the proportion equation
   219,271 : 479,123 = 479,123 : x
2. Step 2: Convert to fraction form
   219,271/479,123 = 479,123/x
3. Step 3: Cross multiply
   219,271x = 479,123 × 479,123
4. Step 4: Simplify right side
   219,271x = 229,558,849,129
5. Step 5: Solve for x
   x = 229,558,849,129/219,271
6. Step 6: Final answer
   x = 1,046,918.42