Finding the Third Proportional to 79,270 and 108,699

Step by Step Solution

1. Step 1: Write the proportion equation
   79,270 : 108,699 = 108,699 : x
2. Step 2: Convert to fraction form
   79,270/108,699 = 108,699/x
3. Step 3: Cross multiply
   79,270x = 108,699 × 108,699
4. Step 4: Simplify right side
   79,270x = 11,815,472,601
5. Step 5: Solve for x
   x = 11,815,472,601/79,270
6. Step 6: Final answer
   x = 149,053.52