Finding the Third Proportional to 160,521 and 238,470

Step by Step Solution

1. Step 1: Write the proportion equation
   160,521 : 238,470 = 238,470 : x
2. Step 2: Convert to fraction form
   160,521/238,470 = 238,470/x
3. Step 3: Cross multiply
   160,521x = 238,470 × 238,470
4. Step 4: Simplify right side
   160,521x = 56,867,940,900
5. Step 5: Solve for x
   x = 56,867,940,900/160,521
6. Step 6: Final answer
   x = 354,271.04