Finding the Third Proportional to 31,436 and 75,070

Step by Step Solution

1. Step 1: Write the proportion equation
   31,436 : 75,070 = 75,070 : x
2. Step 2: Convert to fraction form
   31,436/75,070 = 75,070/x
3. Step 3: Cross multiply
   31,436x = 75,070 × 75,070
4. Step 4: Simplify right side
   31,436x = 5,635,504,900
5. Step 5: Solve for x
   x = 5,635,504,900/31,436
6. Step 6: Final answer
   x = 179,269.15