Finding the Third Proportional to 31,938 and 67,182

Step by Step Solution

1. Step 1: Write the proportion equation
   31,938 : 67,182 = 67,182 : x
2. Step 2: Convert to fraction form
   31,938/67,182 = 67,182/x
3. Step 3: Cross multiply
   31,938x = 67,182 × 67,182
4. Step 4: Simplify right side
   31,938x = 4,513,421,124
5. Step 5: Solve for x
   x = 4,513,421,124/31,938
6. Step 6: Final answer
   x = 141,318.21