Finding the Third Proportional to 90,466.50 and 132,991.50

Step by Step Solution

1. Step 1: Write the proportion equation
   90,466.50 : 132,991.50 = 132,991.50 : x
2. Step 2: Convert to fraction form
   90,466.50/132,991.50 = 132,991.50/x
3. Step 3: Cross multiply
   90,466.50x = 132,991.50 × 132,991.50
4. Step 4: Simplify right side
   90,466.50x = 17,686,739,072.25
5. Step 5: Solve for x
   x = 17,686,739,072.25/90,466.50
6. Step 6: Final answer
   x = 195,505.95