Finding the Third Proportional to 71,394 and 155,500

Step by Step Solution

1. Step 1: Write the proportion equation
   71,394 : 155,500 = 155,500 : x
2. Step 2: Convert to fraction form
   71,394/155,500 = 155,500/x
3. Step 3: Cross multiply
   71,394x = 155,500 × 155,500
4. Step 4: Simplify right side
   71,394x = 24,180,250,000
5. Step 5: Solve for x
   x = 24,180,250,000/71,394
6. Step 6: Final answer
   x = 338,687.42