Finding the Third Proportional to 158,865 and 245,761.50

Step by Step Solution

1. Step 1: Write the proportion equation
   158,865 : 245,761.50 = 245,761.50 : x
2. Step 2: Convert to fraction form
   158,865/245,761.50 = 245,761.50/x
3. Step 3: Cross multiply
   158,865x = 245,761.50 × 245,761.50
4. Step 4: Simplify right side
   158,865x = 60,398,714,882.25
5. Step 5: Solve for x
   x = 60,398,714,882.25/158,865
6. Step 6: Final answer
   x = 380,188.93