Finding the Third Proportional to 28,012 and 60,272

Step by Step Solution

1. Step 1: Write the proportion equation
   28,012 : 60,272 = 60,272 : x
2. Step 2: Convert to fraction form
   28,012/60,272 = 60,272/x
3. Step 3: Cross multiply
   28,012x = 60,272 × 60,272
4. Step 4: Simplify right side
   28,012x = 3,632,713,984
5. Step 5: Solve for x
   x = 3,632,713,984/28,012
6. Step 6: Final answer
   x = 129,684.21