Finding the Third Proportional to 72,498 and 159,180

Step by Step Solution

1. Step 1: Write the proportion equation
   72,498 : 159,180 = 159,180 : x
2. Step 2: Convert to fraction form
   72,498/159,180 = 159,180/x
3. Step 3: Cross multiply
   72,498x = 159,180 × 159,180
4. Step 4: Simplify right side
   72,498x = 25,338,272,400
5. Step 5: Solve for x
   x = 25,338,272,400/72,498
6. Step 6: Final answer
   x = 349,503.05