Finding the Third Proportional to 28,680 and 59,988

Step by Step Solution

1. Step 1: Write the proportion equation
   28,680 : 59,988 = 59,988 : x
2. Step 2: Convert to fraction form
   28,680/59,988 = 59,988/x
3. Step 3: Cross multiply
   28,680x = 59,988 × 59,988
4. Step 4: Simplify right side
   28,680x = 3,598,560,144
5. Step 5: Solve for x
   x = 3,598,560,144/28,680
6. Step 6: Final answer
   x = 125,472.81