Finding the Third Proportional to 125,131.50 and 270,405

Step by Step Solution

1. Step 1: Write the proportion equation
   125,131.50 : 270,405 = 270,405 : x
2. Step 2: Convert to fraction form
   125,131.50/270,405 = 270,405/x
3. Step 3: Cross multiply
   125,131.50x = 270,405 × 270,405
4. Step 4: Simplify right side
   125,131.50x = 73,118,864,025
5. Step 5: Solve for x
   x = 73,118,864,025/125,131.50
6. Step 6: Final answer
   x = 584,336.19