Finding the Third Proportional to 114,987.09 and 161,131.78

Step by Step Solution

1. Step 1: Write the proportion equation
   114,987.09 : 161,131.78 = 161,131.78 : x
2. Step 2: Convert to fraction form
   114,987.09/161,131.78 = 161,131.78/x
3. Step 3: Cross multiply
   114,987.09x = 161,131.78 × 161,131.78
4. Step 4: Simplify right side
   114,987.09x = 25,963,450,928.80
5. Step 5: Solve for x
   x = 25,963,450,928.80/114,987.09
6. Step 6: Final answer
   x = 225,794.48