Finding the Third Proportional to 89,238 and 185,870

Step by Step Solution

1. Step 1: Write the proportion equation
   89,238 : 185,870 = 185,870 : x
2. Step 2: Convert to fraction form
   89,238/185,870 = 185,870/x
3. Step 3: Cross multiply
   89,238x = 185,870 × 185,870
4. Step 4: Simplify right side
   89,238x = 34,547,656,900
5. Step 5: Solve for x
   x = 34,547,656,900/89,238
6. Step 6: Final answer
   x = 387,140.65