Finding the Third Proportional to 67,513.50 and 143,349.75

Step by Step Solution

1. Step 1: Write the proportion equation
   67,513.50 : 143,349.75 = 143,349.75 : x
2. Step 2: Convert to fraction form
   67,513.50/143,349.75 = 143,349.75/x
3. Step 3: Cross multiply
   67,513.50x = 143,349.75 × 143,349.75
4. Step 4: Simplify right side
   67,513.50x = 20,549,150,825.06
5. Step 5: Solve for x
   x = 20,549,150,825.06/67,513.50
6. Step 6: Final answer
   x = 304,370.99