Finding the Third Proportional to 31,659.38 and 50,131.88

Step by Step Solution

1. Step 1: Write the proportion equation
   31,659.38 : 50,131.88 = 50,131.88 : x
2. Step 2: Convert to fraction form
   31,659.38/50,131.88 = 50,131.88/x
3. Step 3: Cross multiply
   31,659.38x = 50,131.88 × 50,131.88
4. Step 4: Simplify right side
   31,659.38x = 2,513,204,891.02
5. Step 5: Solve for x
   x = 2,513,204,891.02/31,659.38
6. Step 6: Final answer
   x = 79,382.64