Finding the Third Proportional to 154,930 and 238,216

Step by Step Solution

1. Step 1: Write the proportion equation
   154,930 : 238,216 = 238,216 : x
2. Step 2: Convert to fraction form
   154,930/238,216 = 238,216/x
3. Step 3: Cross multiply
   154,930x = 238,216 × 238,216
4. Step 4: Simplify right side
   154,930x = 56,746,862,656
5. Step 5: Solve for x
   x = 56,746,862,656/154,930
6. Step 6: Final answer
   x = 366,274.21