Finding the Third Proportional to 156,638 and 341,504

Step by Step Solution

1. Step 1: Write the proportion equation
   156,638 : 341,504 = 341,504 : x
2. Step 2: Convert to fraction form
   156,638/341,504 = 341,504/x
3. Step 3: Cross multiply
   156,638x = 341,504 × 341,504
4. Step 4: Simplify right side
   156,638x = 116,624,982,016
5. Step 5: Solve for x
   x = 116,624,982,016/156,638
6. Step 6: Final answer
   x = 744,551.02