Finding the Third Proportional to 91,021.50 and 133,555.50

Step by Step Solution

1. Step 1: Write the proportion equation
   91,021.50 : 133,555.50 = 133,555.50 : x
2. Step 2: Convert to fraction form
   91,021.50/133,555.50 = 133,555.50/x
3. Step 3: Cross multiply
   91,021.50x = 133,555.50 × 133,555.50
4. Step 4: Simplify right side
   91,021.50x = 17,837,071,580.25
5. Step 5: Solve for x
   x = 17,837,071,580.25/91,021.50
6. Step 6: Final answer
   x = 195,965.48