Finding the Third Proportional to 59,679 and 130,644

Step by Step Solution

1. Step 1: Write the proportion equation
   59,679 : 130,644 = 130,644 : x
2. Step 2: Convert to fraction form
   59,679/130,644 = 130,644/x
3. Step 3: Cross multiply
   59,679x = 130,644 × 130,644
4. Step 4: Simplify right side
   59,679x = 17,067,854,736
5. Step 5: Solve for x
   x = 17,067,854,736/59,679
6. Step 6: Final answer
   x = 285,994.32