Finding the Third Proportional to 102,843 and 158,931

Step by Step Solution

1. Step 1: Write the proportion equation
   102,843 : 158,931 = 158,931 : x
2. Step 2: Convert to fraction form
   102,843/158,931 = 158,931/x
3. Step 3: Cross multiply
   102,843x = 158,931 × 158,931
4. Step 4: Simplify right side
   102,843x = 25,259,062,761
5. Step 5: Solve for x
   x = 25,259,062,761/102,843
6. Step 6: Final answer
   x = 245,607.99