Finding the Third Proportional to 239,719.50 and 512,244

Step by Step Solution

1. Step 1: Write the proportion equation
   239,719.50 : 512,244 = 512,244 : x
2. Step 2: Convert to fraction form
   239,719.50/512,244 = 512,244/x
3. Step 3: Cross multiply
   239,719.50x = 512,244 × 512,244
4. Step 4: Simplify right side
   239,719.50x = 262,393,915,536
5. Step 5: Solve for x
   x = 262,393,915,536/239,719.50
6. Step 6: Final answer
   x = 1,094,587.28