Finding the Third Proportional to 100,928 and 158,345

Step by Step Solution

1. Step 1: Write the proportion equation
   100,928 : 158,345 = 158,345 : x
2. Step 2: Convert to fraction form
   100,928/158,345 = 158,345/x
3. Step 3: Cross multiply
   100,928x = 158,345 × 158,345
4. Step 4: Simplify right side
   100,928x = 25,073,139,025
5. Step 5: Solve for x
   x = 25,073,139,025/100,928
6. Step 6: Final answer
   x = 248,426.00