Finding the Third Proportional to 51,816.50 and 111,903

Step by Step Solution

1. Step 1: Write the proportion equation
   51,816.50 : 111,903 = 111,903 : x
2. Step 2: Convert to fraction form
   51,816.50/111,903 = 111,903/x
3. Step 3: Cross multiply
   51,816.50x = 111,903 × 111,903
4. Step 4: Simplify right side
   51,816.50x = 12,522,281,409
5. Step 5: Solve for x
   x = 12,522,281,409/51,816.50
6. Step 6: Final answer
   x = 241,665.91