Finding the Third Proportional to 72,132 and 155,760

Step by Step Solution

1. Step 1: Write the proportion equation
   72,132 : 155,760 = 155,760 : x
2. Step 2: Convert to fraction form
   72,132/155,760 = 155,760/x
3. Step 3: Cross multiply
   72,132x = 155,760 × 155,760
4. Step 4: Simplify right side
   72,132x = 24,261,177,600
5. Step 5: Solve for x
   x = 24,261,177,600/72,132
6. Step 6: Final answer
   x = 336,344.17