Finding the Third Proportional to 67,152.38 and 146,286

Step by Step Solution

1. Step 1: Write the proportion equation
   67,152.38 : 146,286 = 146,286 : x
2. Step 2: Convert to fraction form
   67,152.38/146,286 = 146,286/x
3. Step 3: Cross multiply
   67,152.38x = 146,286 × 146,286
4. Step 4: Simplify right side
   67,152.38x = 21,399,593,796
5. Step 5: Solve for x
   x = 21,399,593,796/67,152.38
6. Step 6: Final answer
   x = 318,672.18