Finding the Third Proportional to 219,378 and 474,738

Step by Step Solution

1. Step 1: Write the proportion equation
   219,378 : 474,738 = 474,738 : x
2. Step 2: Convert to fraction form
   219,378/474,738 = 474,738/x
3. Step 3: Cross multiply
   219,378x = 474,738 × 474,738
4. Step 4: Simplify right side
   219,378x = 225,376,168,644
5. Step 5: Solve for x
   x = 225,376,168,644/219,378
6. Step 6: Final answer
   x = 1,027,341.71