Finding the Third Proportional to 28,721 and 60,754

Step by Step Solution

1. Step 1: Write the proportion equation
   28,721 : 60,754 = 60,754 : x
2. Step 2: Convert to fraction form
   28,721/60,754 = 60,754/x
3. Step 3: Cross multiply
   28,721x = 60,754 × 60,754
4. Step 4: Simplify right side
   28,721x = 3,691,048,516
5. Step 5: Solve for x
   x = 3,691,048,516/28,721
6. Step 6: Final answer
   x = 128,513.93