Finding the Third Proportional to 219,654 and 479,592

Step by Step Solution

1. Step 1: Write the proportion equation
   219,654 : 479,592 = 479,592 : x
2. Step 2: Convert to fraction form
   219,654/479,592 = 479,592/x
3. Step 3: Cross multiply
   219,654x = 479,592 × 479,592
4. Step 4: Simplify right side
   219,654x = 230,008,486,464
5. Step 5: Solve for x
   x = 230,008,486,464/219,654
6. Step 6: Final answer
   x = 1,047,139.99