Finding the Third Proportional to 72,364 and 155,111

Step by Step Solution

1. Step 1: Write the proportion equation
   72,364 : 155,111 = 155,111 : x
2. Step 2: Convert to fraction form
   72,364/155,111 = 155,111/x
3. Step 3: Cross multiply
   72,364x = 155,111 × 155,111
4. Step 4: Simplify right side
   72,364x = 24,059,422,321
5. Step 5: Solve for x
   x = 24,059,422,321/72,364
6. Step 6: Final answer
   x = 332,477.78