Finding the Third Proportional to 72,805.75 and 111,468.75

Step by Step Solution

1. Step 1: Write the proportion equation
   72,805.75 : 111,468.75 = 111,468.75 : x
2. Step 2: Convert to fraction form
   72,805.75/111,468.75 = 111,468.75/x
3. Step 3: Cross multiply
   72,805.75x = 111,468.75 × 111,468.75
4. Step 4: Simplify right side
   72,805.75x = 12,425,282,226.56
5. Step 5: Solve for x
   x = 12,425,282,226.56/72,805.75
6. Step 6: Final answer
   x = 170,663.47