Finding the Third Proportional to 103,959.50 and 136,508

Step by Step Solution

1. Step 1: Write the proportion equation
   103,959.50 : 136,508 = 136,508 : x
2. Step 2: Convert to fraction form
   103,959.50/136,508 = 136,508/x
3. Step 3: Cross multiply
   103,959.50x = 136,508 × 136,508
4. Step 4: Simplify right side
   103,959.50x = 18,634,434,064
5. Step 5: Solve for x
   x = 18,634,434,064/103,959.50
6. Step 6: Final answer
   x = 179,247.05