Finding the Third Proportional to 90,466 and 132,991

Step by Step Solution

1. Step 1: Write the proportion equation
   90,466 : 132,991 = 132,991 : x
2. Step 2: Convert to fraction form
   90,466/132,991 = 132,991/x
3. Step 3: Cross multiply
   90,466x = 132,991 × 132,991
4. Step 4: Simplify right side
   90,466x = 17,686,606,081
5. Step 5: Solve for x
   x = 17,686,606,081/90,466
6. Step 6: Final answer
   x = 195,505.56