Finding the Third Proportional to 209,304 and 459,432

Step by Step Solution

1. Step 1: Write the proportion equation
   209,304 : 459,432 = 459,432 : x
2. Step 2: Convert to fraction form
   209,304/459,432 = 459,432/x
3. Step 3: Cross multiply
   209,304x = 459,432 × 459,432
4. Step 4: Simplify right side
   209,304x = 211,077,762,624
5. Step 5: Solve for x
   x = 211,077,762,624/209,304
6. Step 6: Final answer
   x = 1,008,474.58