Finding the Third Proportional to 55,804.50 and 131,709.38

Step by Step Solution

1. Step 1: Write the proportion equation
   55,804.50 : 131,709.38 = 131,709.38 : x
2. Step 2: Convert to fraction form
   55,804.50/131,709.38 = 131,709.38/x
3. Step 3: Cross multiply
   55,804.50x = 131,709.38 × 131,709.38
4. Step 4: Simplify right side
   55,804.50x = 17,347,359,462.89
5. Step 5: Solve for x
   x = 17,347,359,462.89/55,804.50
6. Step 6: Final answer
   x = 310,859.51