Finding the Third Proportional to 80,610 and 127,099

Step by Step Solution

1. Step 1: Write the proportion equation
   80,610 : 127,099 = 127,099 : x
2. Step 2: Convert to fraction form
   80,610/127,099 = 127,099/x
3. Step 3: Cross multiply
   80,610x = 127,099 × 127,099
4. Step 4: Simplify right side
   80,610x = 16,154,155,801
5. Step 5: Solve for x
   x = 16,154,155,801/80,610
6. Step 6: Final answer
   x = 200,398.91