Finding the Third Proportional to 31,339.88 and 65,271.75

Step by Step Solution

1. Step 1: Write the proportion equation
   31,339.88 : 65,271.75 = 65,271.75 : x
2. Step 2: Convert to fraction form
   31,339.88/65,271.75 = 65,271.75/x
3. Step 3: Cross multiply
   31,339.88x = 65,271.75 × 65,271.75
4. Step 4: Simplify right side
   31,339.88x = 4,260,401,348.06
5. Step 5: Solve for x
   x = 4,260,401,348.06/31,339.88
6. Step 6: Final answer
   x = 135,941.87