Finding the Third Proportional to 73,287 and 109,499

Step by Step Solution

1. Step 1: Write the proportion equation
   73,287 : 109,499 = 109,499 : x
2. Step 2: Convert to fraction form
   73,287/109,499 = 109,499/x
3. Step 3: Cross multiply
   73,287x = 109,499 × 109,499
4. Step 4: Simplify right side
   73,287x = 11,990,031,001
5. Step 5: Solve for x
   x = 11,990,031,001/73,287
6. Step 6: Final answer
   x = 163,603.79