Finding the Third Proportional to 31,611 and 73,182

Step by Step Solution

1. Step 1: Write the proportion equation
   31,611 : 73,182 = 73,182 : x
2. Step 2: Convert to fraction form
   31,611/73,182 = 73,182/x
3. Step 3: Cross multiply
   31,611x = 73,182 × 73,182
4. Step 4: Simplify right side
   31,611x = 5,355,605,124
5. Step 5: Solve for x
   x = 5,355,605,124/31,611
6. Step 6: Final answer
   x = 169,422.20