Finding the Third Proportional to 279,601.50 and 598,386

Step by Step Solution

1. Step 1: Write the proportion equation
   279,601.50 : 598,386 = 598,386 : x
2. Step 2: Convert to fraction form
   279,601.50/598,386 = 598,386/x
3. Step 3: Cross multiply
   279,601.50x = 598,386 × 598,386
4. Step 4: Simplify right side
   279,601.50x = 358,065,804,996
5. Step 5: Solve for x
   x = 358,065,804,996/279,601.50
6. Step 6: Final answer
   x = 1,280,629.06