Finding the Third Proportional to 156,792 and 238,470

Step by Step Solution

1. Step 1: Write the proportion equation
   156,792 : 238,470 = 238,470 : x
2. Step 2: Convert to fraction form
   156,792/238,470 = 238,470/x
3. Step 3: Cross multiply
   156,792x = 238,470 × 238,470
4. Step 4: Simplify right side
   156,792x = 56,867,940,900
5. Step 5: Solve for x
   x = 56,867,940,900/156,792
6. Step 6: Final answer
   x = 362,696.70