Finding the Third Proportional to 170,065.50 and 265,435.50

Step by Step Solution

1. Step 1: Write the proportion equation
   170,065.50 : 265,435.50 = 265,435.50 : x
2. Step 2: Convert to fraction form
   170,065.50/265,435.50 = 265,435.50/x
3. Step 3: Cross multiply
   170,065.50x = 265,435.50 × 265,435.50
4. Step 4: Simplify right side
   170,065.50x = 70,456,004,660.25
5. Step 5: Solve for x
   x = 70,456,004,660.25/170,065.50
6. Step 6: Final answer
   x = 414,287.46