Finding the Third Proportional to 79,311 and 108,760.50

Step by Step Solution

1. Step 1: Write the proportion equation
   79,311 : 108,760.50 = 108,760.50 : x
2. Step 2: Convert to fraction form
   79,311/108,760.50 = 108,760.50/x
3. Step 3: Cross multiply
   79,311x = 108,760.50 × 108,760.50
4. Step 4: Simplify right side
   79,311x = 11,828,846,360.25
5. Step 5: Solve for x
   x = 11,828,846,360.25/79,311
6. Step 6: Final answer
   x = 149,145.09