Finding the Third Proportional to 71,456 and 155,608

Step by Step Solution

1. Step 1: Write the proportion equation
   71,456 : 155,608 = 155,608 : x
2. Step 2: Convert to fraction form
   71,456/155,608 = 155,608/x
3. Step 3: Cross multiply
   71,456x = 155,608 × 155,608
4. Step 4: Simplify right side
   71,456x = 24,213,849,664
5. Step 5: Solve for x
   x = 24,213,849,664/71,456
6. Step 6: Final answer
   x = 338,863.77