Finding the Third Proportional to 45,886 and 64,618

Step by Step Solution

1. Step 1: Write the proportion equation
   45,886 : 64,618 = 64,618 : x
2. Step 2: Convert to fraction form
   45,886/64,618 = 64,618/x
3. Step 3: Cross multiply
   45,886x = 64,618 × 64,618
4. Step 4: Simplify right side
   45,886x = 4,175,485,924
5. Step 5: Solve for x
   x = 4,175,485,924/45,886
6. Step 6: Final answer
   x = 90,996.95