Finding the Third Proportional to 28,717 and 60,908

Step by Step Solution

1. Step 1: Write the proportion equation
   28,717 : 60,908 = 60,908 : x
2. Step 2: Convert to fraction form
   28,717/60,908 = 60,908/x
3. Step 3: Cross multiply
   28,717x = 60,908 × 60,908
4. Step 4: Simplify right side
   28,717x = 3,709,784,464
5. Step 5: Solve for x
   x = 3,709,784,464/28,717
6. Step 6: Final answer
   x = 129,184.26