Finding the Third Proportional to 34,673 and 67,618

Step by Step Solution

1. Step 1: Write the proportion equation
   34,673 : 67,618 = 67,618 : x
2. Step 2: Convert to fraction form
   34,673/67,618 = 67,618/x
3. Step 3: Cross multiply
   34,673x = 67,618 × 67,618
4. Step 4: Simplify right side
   34,673x = 4,572,193,924
5. Step 5: Solve for x
   x = 4,572,193,924/34,673
6. Step 6: Final answer
   x = 131,866.12