Finding the Third Proportional to 59,514 and 87,618

Step by Step Solution

1. Step 1: Write the proportion equation
   59,514 : 87,618 = 87,618 : x
2. Step 2: Convert to fraction form
   59,514/87,618 = 87,618/x
3. Step 3: Cross multiply
   59,514x = 87,618 × 87,618
4. Step 4: Simplify right side
   59,514x = 7,676,913,924
5. Step 5: Solve for x
   x = 7,676,913,924/59,514
6. Step 6: Final answer
   x = 128,993.41