Finding the Third Proportional to 67,380 and 146,418

Step by Step Solution

1. Step 1: Write the proportion equation
   67,380 : 146,418 = 146,418 : x
2. Step 2: Convert to fraction form
   67,380/146,418 = 146,418/x
3. Step 3: Cross multiply
   67,380x = 146,418 × 146,418
4. Step 4: Simplify right side
   67,380x = 21,438,230,724
5. Step 5: Solve for x
   x = 21,438,230,724/67,380
6. Step 6: Final answer
   x = 318,169.05