Finding the Third Proportional to 102,180 and 156,942

Step by Step Solution

1. Step 1: Write the proportion equation
   102,180 : 156,942 = 156,942 : x
2. Step 2: Convert to fraction form
   102,180/156,942 = 156,942/x
3. Step 3: Cross multiply
   102,180x = 156,942 × 156,942
4. Step 4: Simplify right side
   102,180x = 24,630,791,364
5. Step 5: Solve for x
   x = 24,630,791,364/102,180
6. Step 6: Final answer
   x = 241,052.96