Finding the Third Proportional to 158,780 and 245,746

Step by Step Solution

1. Step 1: Write the proportion equation
   158,780 : 245,746 = 245,746 : x
2. Step 2: Convert to fraction form
   158,780/245,746 = 245,746/x
3. Step 3: Cross multiply
   158,780x = 245,746 × 245,746
4. Step 4: Simplify right side
   158,780x = 60,391,096,516
5. Step 5: Solve for x
   x = 60,391,096,516/158,780
6. Step 6: Final answer
   x = 380,344.48