Finding the Third Proportional to 112,509 and 242,514

Step by Step Solution

1. Step 1: Write the proportion equation
   112,509 : 242,514 = 242,514 : x
2. Step 2: Convert to fraction form
   112,509/242,514 = 242,514/x
3. Step 3: Cross multiply
   112,509x = 242,514 × 242,514
4. Step 4: Simplify right side
   112,509x = 58,813,040,196
5. Step 5: Solve for x
   x = 58,813,040,196/112,509
6. Step 6: Final answer
   x = 522,740.76