Finding the Third Proportional to 79,930 and 175,087

Step by Step Solution

1. Step 1: Write the proportion equation
   79,930 : 175,087 = 175,087 : x
2. Step 2: Convert to fraction form
   79,930/175,087 = 175,087/x
3. Step 3: Cross multiply
   79,930x = 175,087 × 175,087
4. Step 4: Simplify right side
   79,930x = 30,655,457,569
5. Step 5: Solve for x
   x = 30,655,457,569/79,930
6. Step 6: Final answer
   x = 383,528.81