Finding the Third Proportional to 71,550 and 155,406

Step by Step Solution

1. Step 1: Write the proportion equation
   71,550 : 155,406 = 155,406 : x
2. Step 2: Convert to fraction form
   71,550/155,406 = 155,406/x
3. Step 3: Cross multiply
   71,550x = 155,406 × 155,406
4. Step 4: Simplify right side
   71,550x = 24,151,024,836
5. Step 5: Solve for x
   x = 24,151,024,836/71,550
6. Step 6: Final answer
   x = 337,540.53