Finding the Third Proportional to 20,401.31 and 43,251.75

Step by Step Solution

1. Step 1: Write the proportion equation
   20,401.31 : 43,251.75 = 43,251.75 : x
2. Step 2: Convert to fraction form
   20,401.31/43,251.75 = 43,251.75/x
3. Step 3: Cross multiply
   20,401.31x = 43,251.75 × 43,251.75
4. Step 4: Simplify right side
   20,401.31x = 1,870,713,878.06
5. Step 5: Solve for x
   x = 1,870,713,878.06/20,401.31
6. Step 6: Final answer
   x = 91,695.76