Finding the Third Proportional to 115,870 and 179,318

Step by Step Solution

1. Step 1: Write the proportion equation
   115,870 : 179,318 = 179,318 : x
2. Step 2: Convert to fraction form
   115,870/179,318 = 179,318/x
3. Step 3: Cross multiply
   115,870x = 179,318 × 179,318
4. Step 4: Simplify right side
   115,870x = 32,154,945,124
5. Step 5: Solve for x
   x = 32,154,945,124/115,870
6. Step 6: Final answer
   x = 277,508.80