Finding the Third Proportional to 31,956 and 69,436

Step by Step Solution

1. Step 1: Write the proportion equation
   31,956 : 69,436 = 69,436 : x
2. Step 2: Convert to fraction form
   31,956/69,436 = 69,436/x
3. Step 3: Cross multiply
   31,956x = 69,436 × 69,436
4. Step 4: Simplify right side
   31,956x = 4,821,358,096
5. Step 5: Solve for x
   x = 4,821,358,096/31,956
6. Step 6: Final answer
   x = 150,874.89