Finding the Third Proportional to 112,878 and 241,308

Step by Step Solution

1. Step 1: Write the proportion equation
   112,878 : 241,308 = 241,308 : x
2. Step 2: Convert to fraction form
   112,878/241,308 = 241,308/x
3. Step 3: Cross multiply
   112,878x = 241,308 × 241,308
4. Step 4: Simplify right side
   112,878x = 58,229,550,864
5. Step 5: Solve for x
   x = 58,229,550,864/112,878
6. Step 6: Final answer
   x = 515,862.71