Finding the Third Proportional to 188,234.50 and 276,074

Step by Step Solution

1. Step 1: Write the proportion equation
   188,234.50 : 276,074 = 276,074 : x
2. Step 2: Convert to fraction form
   188,234.50/276,074 = 276,074/x
3. Step 3: Cross multiply
   188,234.50x = 276,074 × 276,074
4. Step 4: Simplify right side
   188,234.50x = 76,216,853,476
5. Step 5: Solve for x
   x = 76,216,853,476/188,234.50
6. Step 6: Final answer
   x = 404,903.74