Finding the Third Proportional to 279,747 and 598,758.75

Step by Step Solution

1. Step 1: Write the proportion equation
   279,747 : 598,758.75 = 598,758.75 : x
2. Step 2: Convert to fraction form
   279,747/598,758.75 = 598,758.75/x
3. Step 3: Cross multiply
   279,747x = 598,758.75 × 598,758.75
4. Step 4: Simplify right side
   279,747x = 358,512,040,701.56
5. Step 5: Solve for x
   x = 358,512,040,701.56/279,747
6. Step 6: Final answer
   x = 1,281,558.12