Finding the Third Proportional to 90,462 and 132,980

Step by Step Solution

1. Step 1: Write the proportion equation
   90,462 : 132,980 = 132,980 : x
2. Step 2: Convert to fraction form
   90,462/132,980 = 132,980/x
3. Step 3: Cross multiply
   90,462x = 132,980 × 132,980
4. Step 4: Simplify right side
   90,462x = 17,683,680,400
5. Step 5: Solve for x
   x = 17,683,680,400/90,462
6. Step 6: Final answer
   x = 195,481.86