Finding the Third Proportional to 79,105.50 and 115,681.50

Step by Step Solution

1. Step 1: Write the proportion equation
   79,105.50 : 115,681.50 = 115,681.50 : x
2. Step 2: Convert to fraction form
   79,105.50/115,681.50 = 115,681.50/x
3. Step 3: Cross multiply
   79,105.50x = 115,681.50 × 115,681.50
4. Step 4: Simplify right side
   79,105.50x = 13,382,209,442.25
5. Step 5: Solve for x
   x = 13,382,209,442.25/79,105.50
6. Step 6: Final answer
   x = 169,169.14