Finding the Third Proportional to 157,618 and 235,870

Step by Step Solution

1. Step 1: Write the proportion equation
   157,618 : 235,870 = 235,870 : x
2. Step 2: Convert to fraction form
   157,618/235,870 = 235,870/x
3. Step 3: Cross multiply
   157,618x = 235,870 × 235,870
4. Step 4: Simplify right side
   157,618x = 55,634,656,900
5. Step 5: Solve for x
   x = 55,634,656,900/157,618
6. Step 6: Final answer
   x = 352,971.47