Finding the Third Proportional to 201,571.50 and 301,303.50

Step by Step Solution

1. Step 1: Write the proportion equation
   201,571.50 : 301,303.50 = 301,303.50 : x
2. Step 2: Convert to fraction form
   201,571.50/301,303.50 = 301,303.50/x
3. Step 3: Cross multiply
   201,571.50x = 301,303.50 × 301,303.50
4. Step 4: Simplify right side
   201,571.50x = 90,783,799,112.25
5. Step 5: Solve for x
   x = 90,783,799,112.25/201,571.50
6. Step 6: Final answer
   x = 450,380.13