Finding the Third Proportional to 41,618.50 and 91,720.50

Step by Step Solution

1. Step 1: Write the proportion equation
   41,618.50 : 91,720.50 = 91,720.50 : x
2. Step 2: Convert to fraction form
   41,618.50/91,720.50 = 91,720.50/x
3. Step 3: Cross multiply
   41,618.50x = 91,720.50 × 91,720.50
4. Step 4: Simplify right side
   41,618.50x = 8,412,650,120.25
5. Step 5: Solve for x
   x = 8,412,650,120.25/41,618.50
6. Step 6: Final answer
   x = 202,137.27