Finding the Third Proportional to 112,128 and 241,216

Step by Step Solution

1. Step 1: Write the proportion equation
   112,128 : 241,216 = 241,216 : x
2. Step 2: Convert to fraction form
   112,128/241,216 = 241,216/x
3. Step 3: Cross multiply
   112,128x = 241,216 × 241,216
4. Step 4: Simplify right side
   112,128x = 58,185,158,656
5. Step 5: Solve for x
   x = 58,185,158,656/112,128
6. Step 6: Final answer
   x = 518,917.30