Finding the Third Proportional to 49,279.50 and 111,717

Step by Step Solution

1. Step 1: Write the proportion equation
   49,279.50 : 111,717 = 111,717 : x
2. Step 2: Convert to fraction form
   49,279.50/111,717 = 111,717/x
3. Step 3: Cross multiply
   49,279.50x = 111,717 × 111,717
4. Step 4: Simplify right side
   49,279.50x = 12,480,688,089
5. Step 5: Solve for x
   x = 12,480,688,089/49,279.50
6. Step 6: Final answer
   x = 253,263.29