Finding the Third Proportional to 179,158 and 391,068

Step by Step Solution

1. Step 1: Write the proportion equation
   179,158 : 391,068 = 391,068 : x
2. Step 2: Convert to fraction form
   179,158/391,068 = 391,068/x
3. Step 3: Cross multiply
   179,158x = 391,068 × 391,068
4. Step 4: Simplify right side
   179,158x = 152,934,180,624
5. Step 5: Solve for x
   x = 152,934,180,624/179,158
6. Step 6: Final answer
   x = 853,627.42