Finding the Third Proportional to 67,857.75 and 149,099.48

Step by Step Solution

1. Step 1: Write the proportion equation
   67,857.75 : 149,099.48 = 149,099.48 : x
2. Step 2: Convert to fraction form
   67,857.75/149,099.48 = 149,099.48/x
3. Step 3: Cross multiply
   67,857.75x = 149,099.48 × 149,099.48
4. Step 4: Simplify right side
   67,857.75x = 22,230,656,240.89
5. Step 5: Solve for x
   x = 22,230,656,240.89/67,857.75
6. Step 6: Final answer
   x = 327,606.74