Finding the Third Proportional to 72,387 and 112,077

Step by Step Solution

1. Step 1: Write the proportion equation
   72,387 : 112,077 = 112,077 : x
2. Step 2: Convert to fraction form
   72,387/112,077 = 112,077/x
3. Step 3: Cross multiply
   72,387x = 112,077 × 112,077
4. Step 4: Simplify right side
   72,387x = 12,561,253,929
5. Step 5: Solve for x
   x = 12,561,253,929/72,387
6. Step 6: Final answer
   x = 173,529.14