Finding the Third Proportional to 73,921.50 and 111,804.75

Step by Step Solution

1. Step 1: Write the proportion equation
   73,921.50 : 111,804.75 = 111,804.75 : x
2. Step 2: Convert to fraction form
   73,921.50/111,804.75 = 111,804.75/x
3. Step 3: Cross multiply
   73,921.50x = 111,804.75 × 111,804.75
4. Step 4: Simplify right side
   73,921.50x = 12,500,302,122.56
5. Step 5: Solve for x
   x = 12,500,302,122.56/73,921.50
6. Step 6: Final answer
   x = 169,102.39