Finding the Third Proportional to 67,861.13 and 143,322.75

Step by Step Solution

1. Step 1: Write the proportion equation
   67,861.13 : 143,322.75 = 143,322.75 : x
2. Step 2: Convert to fraction form
   67,861.13/143,322.75 = 143,322.75/x
3. Step 3: Cross multiply
   67,861.13x = 143,322.75 × 143,322.75
4. Step 4: Simplify right side
   67,861.13x = 20,541,410,667.56
5. Step 5: Solve for x
   x = 20,541,410,667.56/67,861.13
6. Step 6: Final answer
   x = 302,697.76