Finding the Third Proportional to 139,959 and 162,711

Step by Step Solution

1. Step 1: Write the proportion equation
   139,959 : 162,711 = 162,711 : x
2. Step 2: Convert to fraction form
   139,959/162,711 = 162,711/x
3. Step 3: Cross multiply
   139,959x = 162,711 × 162,711
4. Step 4: Simplify right side
   139,959x = 26,474,869,521
5. Step 5: Solve for x
   x = 26,474,869,521/139,959
6. Step 6: Final answer
   x = 189,161.61