Finding the Third Proportional to 31,894 and 69,618

Step by Step Solution

1. Step 1: Write the proportion equation
   31,894 : 69,618 = 69,618 : x
2. Step 2: Convert to fraction form
   31,894/69,618 = 69,618/x
3. Step 3: Cross multiply
   31,894x = 69,618 × 69,618
4. Step 4: Simplify right side
   31,894x = 4,846,665,924
5. Step 5: Solve for x
   x = 4,846,665,924/31,894
6. Step 6: Final answer
   x = 151,961.68