Finding the Third Proportional to 80,425 and 105,758

Step by Step Solution

1. Step 1: Write the proportion equation
   80,425 : 105,758 = 105,758 : x
2. Step 2: Convert to fraction form
   80,425/105,758 = 105,758/x
3. Step 3: Cross multiply
   80,425x = 105,758 × 105,758
4. Step 4: Simplify right side
   80,425x = 11,184,754,564
5. Step 5: Solve for x
   x = 11,184,754,564/80,425
6. Step 6: Final answer
   x = 139,070.62