Finding the Third Proportional to 219,392 and 479,392

Step by Step Solution

1. Step 1: Write the proportion equation
   219,392 : 479,392 = 479,392 : x
2. Step 2: Convert to fraction form
   219,392/479,392 = 479,392/x
3. Step 3: Cross multiply
   219,392x = 479,392 × 479,392
4. Step 4: Simplify right side
   219,392x = 229,816,689,664
5. Step 5: Solve for x
   x = 229,816,689,664/219,392
6. Step 6: Final answer
   x = 1,047,516.27