Finding the Third Proportional to 111,915.50 and 242,756

Step by Step Solution

1. Step 1: Write the proportion equation
   111,915.50 : 242,756 = 242,756 : x
2. Step 2: Convert to fraction form
   111,915.50/242,756 = 242,756/x
3. Step 3: Cross multiply
   111,915.50x = 242,756 × 242,756
4. Step 4: Simplify right side
   111,915.50x = 58,930,475,536
5. Step 5: Solve for x
   x = 58,930,475,536/111,915.50
6. Step 6: Final answer
   x = 526,562.23