Finding the Third Proportional to 156,680 and 341,425

Step by Step Solution

1. Step 1: Write the proportion equation
   156,680 : 341,425 = 341,425 : x
2. Step 2: Convert to fraction form
   156,680/341,425 = 341,425/x
3. Step 3: Cross multiply
   156,680x = 341,425 × 341,425
4. Step 4: Simplify right side
   156,680x = 116,571,030,625
5. Step 5: Solve for x
   x = 116,571,030,625/156,680
6. Step 6: Final answer
   x = 744,007.09