Finding the Third Proportional to 141,387.75 and 303,016.50

Step by Step Solution

1. Step 1: Write the proportion equation
   141,387.75 : 303,016.50 = 303,016.50 : x
2. Step 2: Convert to fraction form
   141,387.75/303,016.50 = 303,016.50/x
3. Step 3: Cross multiply
   141,387.75x = 303,016.50 × 303,016.50
4. Step 4: Simplify right side
   141,387.75x = 91,818,999,272.25
5. Step 5: Solve for x
   x = 91,818,999,272.25/141,387.75
6. Step 6: Final answer
   x = 649,412.69