Finding the Third Proportional to 72,792 and 159,123

Step by Step Solution

1. Step 1: Write the proportion equation
   72,792 : 159,123 = 159,123 : x
2. Step 2: Convert to fraction form
   72,792/159,123 = 159,123/x
3. Step 3: Cross multiply
   72,792x = 159,123 × 159,123
4. Step 4: Simplify right side
   72,792x = 25,320,129,129
5. Step 5: Solve for x
   x = 25,320,129,129/72,792
6. Step 6: Final answer
   x = 347,842.20