Finding the Third Proportional to 41,572.50 and 91,891.50

Step by Step Solution

1. Step 1: Write the proportion equation
   41,572.50 : 91,891.50 = 91,891.50 : x
2. Step 2: Convert to fraction form
   41,572.50/91,891.50 = 91,891.50/x
3. Step 3: Cross multiply
   41,572.50x = 91,891.50 × 91,891.50
4. Step 4: Simplify right side
   41,572.50x = 8,444,047,772.25
5. Step 5: Solve for x
   x = 8,444,047,772.25/41,572.50
6. Step 6: Final answer
   x = 203,116.19