Finding the Third Proportional to 272,304 and 380,874

Step by Step Solution

1. Step 1: Write the proportion equation
   272,304 : 380,874 = 380,874 : x
2. Step 2: Convert to fraction form
   272,304/380,874 = 380,874/x
3. Step 3: Cross multiply
   272,304x = 380,874 × 380,874
4. Step 4: Simplify right side
   272,304x = 145,065,003,876
5. Step 5: Solve for x
   x = 145,065,003,876/272,304
6. Step 6: Final answer
   x = 532,731.81