Finding the Third Proportional to 67,558 and 146,655

Step by Step Solution

1. Step 1: Write the proportion equation
   67,558 : 146,655 = 146,655 : x
2. Step 2: Convert to fraction form
   67,558/146,655 = 146,655/x
3. Step 3: Cross multiply
   67,558x = 146,655 × 146,655
4. Step 4: Simplify right side
   67,558x = 21,507,689,025
5. Step 5: Solve for x
   x = 21,507,689,025/67,558
6. Step 6: Final answer
   x = 318,358.88