Finding the Third Proportional to 28,212 and 60,678

Step by Step Solution

1. Step 1: Write the proportion equation
   28,212 : 60,678 = 60,678 : x
2. Step 2: Convert to fraction form
   28,212/60,678 = 60,678/x
3. Step 3: Cross multiply
   28,212x = 60,678 × 60,678
4. Step 4: Simplify right side
   28,212x = 3,681,819,684
5. Step 5: Solve for x
   x = 3,681,819,684/28,212
6. Step 6: Final answer
   x = 130,505.45