Finding the Third Proportional to 89,956 and 131,478

Step by Step Solution

1. Step 1: Write the proportion equation
   89,956 : 131,478 = 131,478 : x
2. Step 2: Convert to fraction form
   89,956/131,478 = 131,478/x
3. Step 3: Cross multiply
   89,956x = 131,478 × 131,478
4. Step 4: Simplify right side
   89,956x = 17,286,464,484
5. Step 5: Solve for x
   x = 17,286,464,484/89,956
6. Step 6: Final answer
   x = 192,165.78