Finding the Third Proportional to 34,728 and 76,080

Step by Step Solution

1. Step 1: Write the proportion equation
   34,728 : 76,080 = 76,080 : x
2. Step 2: Convert to fraction form
   34,728/76,080 = 76,080/x
3. Step 3: Cross multiply
   34,728x = 76,080 × 76,080
4. Step 4: Simplify right side
   34,728x = 5,788,166,400
5. Step 5: Solve for x
   x = 5,788,166,400/34,728
6. Step 6: Final answer
   x = 166,671.46