Finding the Third Proportional to 72,262 and 111,211

Step by Step Solution

1. Step 1: Write the proportion equation
   72,262 : 111,211 = 111,211 : x
2. Step 2: Convert to fraction form
   72,262/111,211 = 111,211/x
3. Step 3: Cross multiply
   72,262x = 111,211 × 111,211
4. Step 4: Simplify right side
   72,262x = 12,367,886,521
5. Step 5: Solve for x
   x = 12,367,886,521/72,262
6. Step 6: Final answer
   x = 171,153.39