Finding the Third Proportional to 109,878 and 235,308

Step by Step Solution

1. Step 1: Write the proportion equation
   109,878 : 235,308 = 235,308 : x
2. Step 2: Convert to fraction form
   109,878/235,308 = 235,308/x
3. Step 3: Cross multiply
   109,878x = 235,308 × 235,308
4. Step 4: Simplify right side
   109,878x = 55,369,854,864
5. Step 5: Solve for x
   x = 55,369,854,864/109,878
6. Step 6: Final answer
   x = 503,921.21