Finding the Third Proportional to 20,776.50 and 31,190.06

Step by Step Solution

1. Step 1: Write the proportion equation
   20,776.50 : 31,190.06 = 31,190.06 : x
2. Step 2: Convert to fraction form
   20,776.50/31,190.06 = 31,190.06/x
3. Step 3: Cross multiply
   20,776.50x = 31,190.06 × 31,190.06
4. Step 4: Simplify right side
   20,776.50x = 972,819,998.75
5. Step 5: Solve for x
   x = 972,819,998.75/20,776.50
6. Step 6: Final answer
   x = 46,823.09