Finding the Third Proportional to 51,124.50 and 111,543

Step by Step Solution

1. Step 1: Write the proportion equation
   51,124.50 : 111,543 = 111,543 : x
2. Step 2: Convert to fraction form
   51,124.50/111,543 = 111,543/x
3. Step 3: Cross multiply
   51,124.50x = 111,543 × 111,543
4. Step 4: Simplify right side
   51,124.50x = 12,441,840,849
5. Step 5: Solve for x
   x = 12,441,840,849/51,124.50
6. Step 6: Final answer
   x = 243,363.57