Finding the Third Proportional to 28,686 and 67,044

Step by Step Solution

1. Step 1: Write the proportion equation
   28,686 : 67,044 = 67,044 : x
2. Step 2: Convert to fraction form
   28,686/67,044 = 67,044/x
3. Step 3: Cross multiply
   28,686x = 67,044 × 67,044
4. Step 4: Simplify right side
   28,686x = 4,494,897,936
5. Step 5: Solve for x
   x = 4,494,897,936/28,686
6. Step 6: Final answer
   x = 156,693.09