Finding the Third Proportional to 60,680 and 132,012

Step by Step Solution

1. Step 1: Write the proportion equation
   60,680 : 132,012 = 132,012 : x
2. Step 2: Convert to fraction form
   60,680/132,012 = 132,012/x
3. Step 3: Cross multiply
   60,680x = 132,012 × 132,012
4. Step 4: Simplify right side
   60,680x = 17,427,168,144
5. Step 5: Solve for x
   x = 17,427,168,144/60,680
6. Step 6: Final answer
   x = 287,197.89