Finding the Third Proportional to 31,009.50 and 40,601.25

Step by Step Solution

1. Step 1: Write the proportion equation
   31,009.50 : 40,601.25 = 40,601.25 : x
2. Step 2: Convert to fraction form
   31,009.50/40,601.25 = 40,601.25/x
3. Step 3: Cross multiply
   31,009.50x = 40,601.25 × 40,601.25
4. Step 4: Simplify right side
   31,009.50x = 1,648,461,501.56
5. Step 5: Solve for x
   x = 1,648,461,501.56/31,009.50
6. Step 6: Final answer
   x = 53,159.89