Finding the Third Proportional to 115,902 and 268,314.75

Step by Step Solution

1. Step 1: Write the proportion equation
   115,902 : 268,314.75 = 268,314.75 : x
2. Step 2: Convert to fraction form
   115,902/268,314.75 = 268,314.75/x
3. Step 3: Cross multiply
   115,902x = 268,314.75 × 268,314.75
4. Step 4: Simplify right side
   115,902x = 71,992,805,067.56
5. Step 5: Solve for x
   x = 71,992,805,067.56/115,902
6. Step 6: Final answer
   x = 621,152.40