Finding the Third Proportional to 20,700.56 and 31,893.75

Step by Step Solution

1. Step 1: Write the proportion equation
   20,700.56 : 31,893.75 = 31,893.75 : x
2. Step 2: Convert to fraction form
   20,700.56/31,893.75 = 31,893.75/x
3. Step 3: Cross multiply
   20,700.56x = 31,893.75 × 31,893.75
4. Step 4: Simplify right side
   20,700.56x = 1,017,211,289.06
5. Step 5: Solve for x
   x = 1,017,211,289.06/20,700.56
6. Step 6: Final answer
   x = 49,139.31