Finding the Third Proportional to 114,990 and 158,343.75

Step by Step Solution

1. Step 1: Write the proportion equation
   114,990 : 158,343.75 = 158,343.75 : x
2. Step 2: Convert to fraction form
   114,990/158,343.75 = 158,343.75/x
3. Step 3: Cross multiply
   114,990x = 158,343.75 × 158,343.75
4. Step 4: Simplify right side
   114,990x = 25,072,743,164.06
5. Step 5: Solve for x
   x = 25,072,743,164.06/114,990
6. Step 6: Final answer
   x = 218,042.81