Finding the Third Proportional to 86,760 and 127,404

Step by Step Solution

1. Step 1: Write the proportion equation
   86,760 : 127,404 = 127,404 : x
2. Step 2: Convert to fraction form
   86,760/127,404 = 127,404/x
3. Step 3: Cross multiply
   86,760x = 127,404 × 127,404
4. Step 4: Simplify right side
   86,760x = 16,231,779,216
5. Step 5: Solve for x
   x = 16,231,779,216/86,760
6. Step 6: Final answer
   x = 187,088.28