Finding the Third Proportional to 219,618 and 474,012

Step by Step Solution

1. Step 1: Write the proportion equation
   219,618 : 474,012 = 474,012 : x
2. Step 2: Convert to fraction form
   219,618/474,012 = 474,012/x
3. Step 3: Cross multiply
   219,618x = 474,012 × 474,012
4. Step 4: Simplify right side
   219,618x = 224,687,376,144
5. Step 5: Solve for x
   x = 224,687,376,144/219,618
6. Step 6: Final answer
   x = 1,023,082.70