Finding the Third Proportional to 79,791.75 and 123,719.91

Step by Step Solution

1. Step 1: Write the proportion equation
   79,791.75 : 123,719.91 = 123,719.91 : x
2. Step 2: Convert to fraction form
   79,791.75/123,719.91 = 123,719.91/x
3. Step 3: Cross multiply
   79,791.75x = 123,719.91 × 123,719.91
4. Step 4: Simplify right side
   79,791.75x = 15,306,615,202.51
5. Step 5: Solve for x
   x = 15,306,615,202.51/79,791.75
6. Step 6: Final answer
   x = 191,832.05