Finding the Third Proportional to 53,779.50 and 111,015

Step by Step Solution

1. Step 1: Write the proportion equation
   53,779.50 : 111,015 = 111,015 : x
2. Step 2: Convert to fraction form
   53,779.50/111,015 = 111,015/x
3. Step 3: Cross multiply
   53,779.50x = 111,015 × 111,015
4. Step 4: Simplify right side
   53,779.50x = 12,324,330,225
5. Step 5: Solve for x
   x = 12,324,330,225/53,779.50
6. Step 6: Final answer
   x = 229,164.09