Finding the Third Proportional to 156,980 and 341,981

Step by Step Solution

1. Step 1: Write the proportion equation
   156,980 : 341,981 = 341,981 : x
2. Step 2: Convert to fraction form
   156,980/341,981 = 341,981/x
3. Step 3: Cross multiply
   156,980x = 341,981 × 341,981
4. Step 4: Simplify right side
   156,980x = 116,951,004,361
5. Step 5: Solve for x
   x = 116,951,004,361/156,980
6. Step 6: Final answer
   x = 745,005.76