Finding the Third Proportional to 181,590 and 300,105

Step by Step Solution

1. Step 1: Write the proportion equation
   181,590 : 300,105 = 300,105 : x
2. Step 2: Convert to fraction form
   181,590/300,105 = 300,105/x
3. Step 3: Cross multiply
   181,590x = 300,105 × 300,105
4. Step 4: Simplify right side
   181,590x = 90,063,011,025
5. Step 5: Solve for x
   x = 90,063,011,025/181,590
6. Step 6: Final answer
   x = 495,969.00