Finding the Third Proportional to 72,792 and 159,432

Step by Step Solution

1. Step 1: Write the proportion equation
   72,792 : 159,432 = 159,432 : x
2. Step 2: Convert to fraction form
   72,792/159,432 = 159,432/x
3. Step 3: Cross multiply
   72,792x = 159,432 × 159,432
4. Step 4: Simplify right side
   72,792x = 25,418,562,624
5. Step 5: Solve for x
   x = 25,418,562,624/72,792
6. Step 6: Final answer
   x = 349,194.45