Finding the Third Proportional to 72,333 and 111,989.25

Step by Step Solution

1. Step 1: Write the proportion equation
   72,333 : 111,989.25 = 111,989.25 : x
2. Step 2: Convert to fraction form
   72,333/111,989.25 = 111,989.25/x
3. Step 3: Cross multiply
   72,333x = 111,989.25 × 111,989.25
4. Step 4: Simplify right side
   72,333x = 12,541,592,115.56
5. Step 5: Solve for x
   x = 12,541,592,115.56/72,333
6. Step 6: Final answer
   x = 173,386.87