Finding the Third Proportional to 112,294 and 242,398

Step by Step Solution

1. Step 1: Write the proportion equation
   112,294 : 242,398 = 242,398 : x
2. Step 2: Convert to fraction form
   112,294/242,398 = 242,398/x
3. Step 3: Cross multiply
   112,294x = 242,398 × 242,398
4. Step 4: Simplify right side
   112,294x = 58,756,790,404
5. Step 5: Solve for x
   x = 58,756,790,404/112,294
6. Step 6: Final answer
   x = 523,240.69