Finding the Third Proportional to 156,708 and 341,388

Step by Step Solution

1. Step 1: Write the proportion equation
   156,708 : 341,388 = 341,388 : x
2. Step 2: Convert to fraction form
   156,708/341,388 = 341,388/x
3. Step 3: Cross multiply
   156,708x = 341,388 × 341,388
4. Step 4: Simplify right side
   156,708x = 116,545,766,544
5. Step 5: Solve for x
   x = 116,545,766,544/156,708
6. Step 6: Final answer
   x = 743,712.93