Finding the Third Proportional to 20,092.50 and 40,731.75

Step by Step Solution

1. Step 1: Write the proportion equation
   20,092.50 : 40,731.75 = 40,731.75 : x
2. Step 2: Convert to fraction form
   20,092.50/40,731.75 = 40,731.75/x
3. Step 3: Cross multiply
   20,092.50x = 40,731.75 × 40,731.75
4. Step 4: Simplify right side
   20,092.50x = 1,659,075,458.06
5. Step 5: Solve for x
   x = 1,659,075,458.06/20,092.50
6. Step 6: Final answer
   x = 82,571.88