Finding the Third Proportional to 51,981.75 and 111,343.78

Step by Step Solution

1. Step 1: Write the proportion equation
   51,981.75 : 111,343.78 = 111,343.78 : x
2. Step 2: Convert to fraction form
   51,981.75/111,343.78 = 111,343.78/x
3. Step 3: Cross multiply
   51,981.75x = 111,343.78 × 111,343.78
4. Step 4: Simplify right side
   51,981.75x = 12,397,437,623.05
5. Step 5: Solve for x
   x = 12,397,437,623.05/51,981.75
6. Step 6: Final answer
   x = 238,495.96