Finding the Third Proportional to 35,958.50 and 55,831

Step by Step Solution

1. Step 1: Write the proportion equation
   35,958.50 : 55,831 = 55,831 : x
2. Step 2: Convert to fraction form
   35,958.50/55,831 = 55,831/x
3. Step 3: Cross multiply
   35,958.50x = 55,831 × 55,831
4. Step 4: Simplify right side
   35,958.50x = 3,117,100,561
5. Step 5: Solve for x
   x = 3,117,100,561/35,958.50
6. Step 6: Final answer
   x = 86,686.06