Finding the Third Proportional to 156,910 and 341,020

Step by Step Solution

1. Step 1: Write the proportion equation
   156,910 : 341,020 = 341,020 : x
2. Step 2: Convert to fraction form
   156,910/341,020 = 341,020/x
3. Step 3: Cross multiply
   156,910x = 341,020 × 341,020
4. Step 4: Simplify right side
   156,910x = 116,294,640,400
5. Step 5: Solve for x
   x = 116,294,640,400/156,910
6. Step 6: Final answer
   x = 741,155.06