Finding the Third Proportional to 55,731 and 84,190.50

Step by Step Solution

1. Step 1: Write the proportion equation
   55,731 : 84,190.50 = 84,190.50 : x
2. Step 2: Convert to fraction form
   55,731/84,190.50 = 84,190.50/x
3. Step 3: Cross multiply
   55,731x = 84,190.50 × 84,190.50
4. Step 4: Simplify right side
   55,731x = 7,088,040,290.25
5. Step 5: Solve for x
   x = 7,088,040,290.25/55,731
6. Step 6: Final answer
   x = 127,183.08