Finding the Third Proportional to 70,611 and 155,256

Step by Step Solution

1. Step 1: Write the proportion equation
   70,611 : 155,256 = 155,256 : x
2. Step 2: Convert to fraction form
   70,611/155,256 = 155,256/x
3. Step 3: Cross multiply
   70,611x = 155,256 × 155,256
4. Step 4: Simplify right side
   70,611x = 24,104,425,536
5. Step 5: Solve for x
   x = 24,104,425,536/70,611
6. Step 6: Final answer
   x = 341,369.27