Finding the Third Proportional to 67,380 and 145,974

Step by Step Solution

1. Step 1: Write the proportion equation
   67,380 : 145,974 = 145,974 : x
2. Step 2: Convert to fraction form
   67,380/145,974 = 145,974/x
3. Step 3: Cross multiply
   67,380x = 145,974 × 145,974
4. Step 4: Simplify right side
   67,380x = 21,308,408,676
5. Step 5: Solve for x
   x = 21,308,408,676/67,380
6. Step 6: Final answer
   x = 316,242.34