Finding the Third Proportional to 55,282.50 and 129,843

Step by Step Solution

1. Step 1: Write the proportion equation
   55,282.50 : 129,843 = 129,843 : x
2. Step 2: Convert to fraction form
   55,282.50/129,843 = 129,843/x
3. Step 3: Cross multiply
   55,282.50x = 129,843 × 129,843
4. Step 4: Simplify right side
   55,282.50x = 16,859,204,649
5. Step 5: Solve for x
   x = 16,859,204,649/55,282.50
6. Step 6: Final answer
   x = 304,964.58