Finding the Third Proportional to 279,118.50 and 605,496

Step by Step Solution

1. Step 1: Write the proportion equation
   279,118.50 : 605,496 = 605,496 : x
2. Step 2: Convert to fraction form
   279,118.50/605,496 = 605,496/x
3. Step 3: Cross multiply
   279,118.50x = 605,496 × 605,496
4. Step 4: Simplify right side
   279,118.50x = 366,625,406,016
5. Step 5: Solve for x
   x = 366,625,406,016/279,118.50
6. Step 6: Final answer
   x = 1,313,511.67