Finding the Third Proportional to 40,111 and 87,997

Step by Step Solution

1. Step 1: Write the proportion equation
   40,111 : 87,997 = 87,997 : x
2. Step 2: Convert to fraction form
   40,111/87,997 = 87,997/x
3. Step 3: Cross multiply
   40,111x = 87,997 × 87,997
4. Step 4: Simplify right side
   40,111x = 7,743,472,009
5. Step 5: Solve for x
   x = 7,743,472,009/40,111
6. Step 6: Final answer
   x = 193,051.08