Finding the Third Proportional to 129,304.69 and 274,002.75

Step by Step Solution

1. Step 1: Write the proportion equation
   129,304.69 : 274,002.75 = 274,002.75 : x
2. Step 2: Convert to fraction form
   129,304.69/274,002.75 = 274,002.75/x
3. Step 3: Cross multiply
   129,304.69x = 274,002.75 × 274,002.75
4. Step 4: Simplify right side
   129,304.69x = 75,077,507,007.56
5. Step 5: Solve for x
   x = 75,077,507,007.56/129,304.69
6. Step 6: Final answer
   x = 580,624.79