Finding the Third Proportional to 124,112 and 269,216

Step by Step Solution

1. Step 1: Write the proportion equation
   124,112 : 269,216 = 269,216 : x
2. Step 2: Convert to fraction form
   124,112/269,216 = 269,216/x
3. Step 3: Cross multiply
   124,112x = 269,216 × 269,216
4. Step 4: Simplify right side
   124,112x = 72,477,254,656
5. Step 5: Solve for x
   x = 72,477,254,656/124,112
6. Step 6: Final answer
   x = 583,966.54