Finding the Third Proportional to 31,877 and 70,188

Step by Step Solution

1. Step 1: Write the proportion equation
   31,877 : 70,188 = 70,188 : x
2. Step 2: Convert to fraction form
   31,877/70,188 = 70,188/x
3. Step 3: Cross multiply
   31,877x = 70,188 × 70,188
4. Step 4: Simplify right side
   31,877x = 4,926,355,344
5. Step 5: Solve for x
   x = 4,926,355,344/31,877
6. Step 6: Final answer
   x = 154,542.63