Finding the Third Proportional to 72,259 and 111,152

Step by Step Solution

1. Step 1: Write the proportion equation
   72,259 : 111,152 = 111,152 : x
2. Step 2: Convert to fraction form
   72,259/111,152 = 111,152/x
3. Step 3: Cross multiply
   72,259x = 111,152 × 111,152
4. Step 4: Simplify right side
   72,259x = 12,354,767,104
5. Step 5: Solve for x
   x = 12,354,767,104/72,259
6. Step 6: Final answer
   x = 170,978.94