Finding the Third Proportional to 246,738 and 512,859.75

Step by Step Solution

1. Step 1: Write the proportion equation
   246,738 : 512,859.75 = 512,859.75 : x
2. Step 2: Convert to fraction form
   246,738/512,859.75 = 512,859.75/x
3. Step 3: Cross multiply
   246,738x = 512,859.75 × 512,859.75
4. Step 4: Simplify right side
   246,738x = 263,025,123,170.06
5. Step 5: Solve for x
   x = 263,025,123,170.06/246,738
6. Step 6: Final answer
   x = 1,066,009.79