Finding the Third Proportional to 87,504.75 and 189,019.69

Step by Step Solution

1. Step 1: Write the proportion equation
   87,504.75 : 189,019.69 = 189,019.69 : x
2. Step 2: Convert to fraction form
   87,504.75/189,019.69 = 189,019.69/x
3. Step 3: Cross multiply
   87,504.75x = 189,019.69 × 189,019.69
4. Step 4: Simplify right side
   87,504.75x = 35,728,442,262.60
5. Step 5: Solve for x
   x = 35,728,442,262.60/87,504.75
6. Step 6: Final answer
   x = 408,302.89