Finding the Third Proportional to 42,921 and 93,618

Step by Step Solution

1. Step 1: Write the proportion equation
   42,921 : 93,618 = 93,618 : x
2. Step 2: Convert to fraction form
   42,921/93,618 = 93,618/x
3. Step 3: Cross multiply
   42,921x = 93,618 × 93,618
4. Step 4: Simplify right side
   42,921x = 8,764,329,924
5. Step 5: Solve for x
   x = 8,764,329,924/42,921
6. Step 6: Final answer
   x = 204,196.78