Finding the Third Proportional to 31,500.14 and 65,917.55

Step by Step Solution

1. Step 1: Write the proportion equation
   31,500.14 : 65,917.55 = 65,917.55 : x
2. Step 2: Convert to fraction form
   31,500.14/65,917.55 = 65,917.55/x
3. Step 3: Cross multiply
   31,500.14x = 65,917.55 × 65,917.55
4. Step 4: Simplify right side
   31,500.14x = 4,345,122,986.02
5. Step 5: Solve for x
   x = 4,345,122,986.02/31,500.14
6. Step 6: Final answer
   x = 137,939.80