Finding the Third Proportional to 72,104.63 and 111,936.75

Step by Step Solution

1. Step 1: Write the proportion equation
   72,104.63 : 111,936.75 = 111,936.75 : x
2. Step 2: Convert to fraction form
   72,104.63/111,936.75 = 111,936.75/x
3. Step 3: Cross multiply
   72,104.63x = 111,936.75 × 111,936.75
4. Step 4: Simplify right side
   72,104.63x = 12,529,836,000.56
5. Step 5: Solve for x
   x = 12,529,836,000.56/72,104.63
6. Step 6: Final answer
   x = 173,772.99