Finding the Third Proportional to 71,380 and 155,058

Step by Step Solution

1. Step 1: Write the proportion equation
   71,380 : 155,058 = 155,058 : x
2. Step 2: Convert to fraction form
   71,380/155,058 = 155,058/x
3. Step 3: Cross multiply
   71,380x = 155,058 × 155,058
4. Step 4: Simplify right side
   71,380x = 24,042,983,364
5. Step 5: Solve for x
   x = 24,042,983,364/71,380
6. Step 6: Final answer
   x = 336,830.81