Finding the Third Proportional to 55,631.25 and 82,818

Step by Step Solution

1. Step 1: Write the proportion equation
   55,631.25 : 82,818 = 82,818 : x
2. Step 2: Convert to fraction form
   55,631.25/82,818 = 82,818/x
3. Step 3: Cross multiply
   55,631.25x = 82,818 × 82,818
4. Step 4: Simplify right side
   55,631.25x = 6,858,821,124
5. Step 5: Solve for x
   x = 6,858,821,124/55,631.25
6. Step 6: Final answer
   x = 123,290.80